Repeat each sentence three times after me. It won’t be hard! 你好！ nǐ hǎo! Hello! 您好！ nín hǎo! Hello! (polite) 你们好！ nǐ men hǎo! Hello everyone! 谢谢！ xiè xie! Thank you! 不谢！ bú xiè! You're welcome! 谢谢你！ xiè xie nǐ! Thank you! 不客气！ bú kè qi! You're welcome! 再见！ zài jiàn! Goodbye! 对不起！ duì bu qǐ! Sorry! 没关系！ méi guān xi! It's okay. / Never mind.