出差 chū chāi to go on an official or business trip Example sentences 下个星期我要出差,没办法上课。 xià gè xīngqī wǒ yào chūchāi, méi bànfǎ shàngkè. I'm going on a business trip next week so I can't take the class 我爸爸经常到外国出差,每次回来都会给我们带纪念品。 wǒ bàba jīngcháng dào wàiguó chūchāi, měi cì huílai dōu huì gěi wǒmen dài jìniànpǐn. My father often goes on a business trips abroad and brings us souvenirs every time