Good early morning.
zǎoshang hǎo! 早上好!
I know now.
wǒ zhīdào le!
I don't know.
wǒ bù zhīdào! 我不知道.
Thank you.
xièxiè 谢谢!
Nice to meet you!
hěn gāoxìng rènshí nín! 很高兴认识您!
Goodbye.
zàijiàn! 再见!
Hello polite way!
nín hǎo! 您好!
Good afternoon
xiàwǔ hǎo! 下午好!
Sorry.
duìbùqǐ 对不起!