How do you say it in your native language?

Undead - southern dialect

Good morning - roorrr GGRRRRR!!!

Good evening - aaahhh OOOR!!!

Bon Appetite - brrraaaains!!

How are you? - OOOR roooor UUUG!?!

What's the time? - UUUG oooor UUUG!!!

Why did czech president Vaclav Klaus steal the pen? - GRRRR ggrrrrr RAAAR GRRRRR AAHHHHH OOOR UGGG OOOOR uuugg!!!

Polish

Good morning - Dzień dobry!

Good evening - Dobry wieczór

Bon Appetite - Smacznego

How are you? - Jak sie masz?

What's the time? - Która godzina?

Why did czech president Vaclav Klaus steal the pen? - Dlaczego prezydent czech, Vaclaw Klaus, ukradł długopis?

Good morning - Guten Morgen

Good evening - Guten Abend

Bon Appetite - Guten Appetit

How are you? - Wie geht es dir?

Whats the time? - Wie spät ist es?

Why did czech president Vaciav Klaus steal the pen? - Warum stahl der Tschechische Präsident Vaciav Klaus den Kugelschreiber?

In Indonesian language

Good morning - Selamat Pagi
Good evening - Selamat Petang
Bon Appetite - Selamat Makan
How are you? - Apa Kabar?
What's the time? - Sekarang jam Berapa?
Why did czech president Vaclav Klaus steal the pen? - Mengapa Presiden Republik Ceko, Vaclav Klaus. Mencuri Bolpoin?

have fun :D

Estonian
Good morning - Tere hommikust
Good evening - Tere õhtust
Bon Appetite - Head isu
How are you? - Kuidas läheb?
What's the time? - Mis kell on?
Why did czech president Vaclav Klaus steal the pen? - Miks Tšehhi president Vaclav Klaus varastas pastaka?

Telugu : native to Andhra Pradesh, India.

Good morning : subhodayam.

Good evening : We don't have anything for this (we dont wish wrt to time of the day) but evening is "sayantram".

Bon appetite : Baaga Thinu.

How are you? : Yelaga unavu?

What's the time? : samayamu yentha ayenadhi?

Why did czech president Vaclav Klaus steal the pen? : Aa czech president Vaclav Klaus gadu pen yendhuku dhhobisadu?

Danish
Good morning - God Morgen
Good evening - God Aften
Bon Appetite - Velbekomme
How are you? - hvordan har du det?
What's the time? - hvad er klokken?
Why did czech president Vaclav Klaus steal the pen? - hvorfor stjal den tjekkiske president Václav Klaus kuglepennen?

German / Deutsch
Good morning - Guten Morgen
Good evening - Guten Abend
Bon Appetite - Guten Appetit
How are you? - Wie geht es Dir? / Wie geht es Ihnen?
What's the time? - Wie spät ist es?
Why did czech president Vaclav Klaus steal the pen? - Warum stahl der tschechische Präsident Vaclav Klaus den Stift?

Portuguese - Brazil

Good morning - Bom dia

Good evening - Boa noite

Bon Appetite - Bom Apetite

How are you? - Como você está?

What's the time? - Que horas são?

Why did czech president Vaclav Klaus steal the pen? - Por que o presidente tcheco(or checo both mean czech, used for male terms, in female is "checa" or "tcheca") Vaclav Klaus roubou a caneta?

Good morning - לכי לכי יא שרמוטה

Good evening - שימדורהההה

Bon Appetite - לייק בסטטוססס

How Are You? - זה מארינס, זה מחרמן

What's the time? - מאשה?

Why did czech president Vaclav Klaus steal the pen? - באמא שך אתה חוטף דקירה

Pirate

Good morning - Avast, tiss a fine sunrise

Good evening - Jolly evenin'

Bon Appetite - Eat that fish arr!

How are you? - How be ye?

What's the time? - What's th' the hour?

Why did czech president Vaclav Klaus steal the pen? - Why did czech president Vaclav Klaus pillage th' pen?

Simplified Chinese

Good morning - 早上好(zao shang hao)

Good evening - 晚上好(wan shang hao)

Bon Appetite - 请慢用(qing man yong)

How are you? - 你好吗？(ni hao ma)

What's the time? - 现在几点？(xian zai ji dian)

Why did czech president Vaclav Klaus steal the pen? - 为(wei)什(shen)么(me)捷(jie)克(ke)总(zong)统(tong)瓦(wa)茨(ci)拉(la)夫(fu)·克(ke)劳(lao)斯(si)要(yao)偷(tou)那(na)只(zhi)笔(bi)？

Just added the pronunciation;P

Latvian
Good morning - Labrīt
Good evening - Labvakar
Bon Appetite - Labu apetīti!
How are you? - Kā iet?
What's the time? - Cik ir pulkstenis?
Why did czech president Vaclav Klaus steal the pen? - PKāpēc Čehijas prezidents Vaclavs Klaus nozaga pildspalvu?

korean
Good morning - 좋은아침
Good evening - 좋은저년
Bon Appetite - (I don't know what is bon)
How are you? - 어떻게지내?
What's the time? - 몇시지?
Why did czech president Vaclav Klaus steal the pen? - 왜 바클라브 클라우스 체코 대통령이 팬을 훔친거죠?

Euskara (Basque)

Good morning - Egun on
Good evening - Arratsalde on
Bon Appetite - On egin!
How are you? - Zer moduz?
What's the time? - Zer ordu da?
Why did czech president Vaclav Klaus steal the pen? - Zergaitik lapurtu zuen boligrafoa Vaclav Klaus presidente txekiarrak?

Lithuanian

Good morning - Labas rytas

Good evening - Labas vakaras

Bon Appetite - Gero apetito

How are you? - Kaip laikais?

What's the time? - Kiek valandų?

Why did czech president Vaclav Klaus steal the pen? - Kodėl Čekijos prezidentas Vaclavas Klausas pavogė rašiklį?

In the Primordial Animal language:
Good Morning: =/d'dsa{wd
Good Evening: 10'|\|[pq~ Bon Appetite: I have no idea... We, animals, don't use such a phrase. How are you?: ~11~{[]!._
What's the time?: u[a1|s||f{a1[}dsw
Why did czech president Vaclav Klaus steal the pen?: wn=2[lf1`~/?c.<{\/*-+@&(28@&&@@}[}|.,,,``1sdhj&*!&)(1

Well... I can't explain how to pronounce them, this is a humanized version of the written texts, about the sounds, each animal's voice is part of the Primordial Animal language.

Italian - Italiano
Good morning - Buon giorno
Good evening - Buona sera
Bon Appetite - Buon appetito
How are you? - Come va?
What's the time? - Che ore sono?
Why did czech president Vaclav Klaus steal the pen? - Perchè il presidente ceco Václav Klaus ha rubato la penna?

Vietnamese

Good morning - Chào buổi sáng
Good evening - Chào buổi tối
Bon Appetite - Chúc ngon miệng
How are you? - Bạn khỏe chứ?
What's the time? - Mấy giờ rồi?
Why did czech president Vaclav Klaus steal the pen? - Tại sao ngài tổng thống Czech, Vaclav Klaus, lại cuỗm cái bút bi?

Thai
Good morning - สวัสดีตอนเช้า
Good evening - สวัสดีตอนเย็น
Bon Appetite - ทานให้อร่อยนะ
How are you? - สบายดีไหม
What's the time? - กี่โมงแล้ว
Why did czech president Vaclav Klaus steal the pen? - ทำไมนายกเช็ก Václav Klaus ขโมยปากกา; What?

Spanish - Argentina

Good Morning - Buen día
Good evening - Buenas noches
Bon appetite - Buen provecho
how are you? - Como estas?/todo bien?
what's the time - Que hora es?
why did the czech president vaclav klaus steal the pen? - Porque el presidente checo, Klaus Vanclac, se robo/afano/choreo la lapicera?

Bosnian / Bosanski
Good morning - Dobro Jutro
Good evening - Dobro veče
Bon Appetite - Prijatno
How are you? - Kako si?
What's the time? - Koliko je sati?
Why did czech president Vaclav Klaus steal the pen? - Zašto je Češki predsjednik Vaklav Klaus ukrao olovku?

Rough translation:

Cebuano
Good morning - Maayong Buntag
Good evening - Maayong Gabii
Bon Appetite - Kaon na ta
How are you? - Kamusta?
What's the time? - Unsa ang oras?
Why did czech president Vaclav Klaus steal the pen? - Ngano di ang czech nga presidente nga si Vaclav Klaus gi kawat ang bolpen?

lol

Good morning - Moin
Good evening - Moin
Bon Appetite - 'n guden
How are you? - 's geht?
What's the time? - Alter hassu ma Uhr?

C

Good morning - printf("Good morning");
Good evening - printf("Good evening");
Bon Appetite - printf("Bon Appetite");
How are you? - printf("How are you?");
What's the time? - printf("What's the time?");
Why did czech president Vaclav Klaus steal the pen? - printf("Why did czech president Vaclav Klaus steal the pen?");