Ten common greeting words: 1. 你好 nǐ hǎo —— Hello / Hi 2. 谢谢 xiè xiè —— Thank you 3. 不客气 bù kèqi —— You're welcome / Don't mention it 4. 对不起 duì bù qǐ —— I'm sorry 5. 没关系 méi guānxi —— It doesn't matter / No worries 6. 早上好 zǎo shang hǎo —— Good morning 7. 晚上好 wǎn shang hǎo —— Good evening 8. 下午好 xià wǔ hǎo —— Good afternoon 9. 没问题 méi wèntí —— No problem 10. 晚安 wǎn ān —— Good night