对不起

了 le completed-action particle 不 bù not; no 没 méi not (have) 吗 ma question particle 呢 ne and…? (question particle) 的 de possessive particle 和 hé and; with 再见 zài jiàn goodbye 谢谢 xiè xiè thank you 不客气 bú kè qì you're welcome 没关系 méi guān xì it's okay; no problem 喂 wèi hello (on the phone)