Chinese phrase
刚才你说什么？ gāng cái nǐ shuō shén me
Meaning
What did you just say?
When to use it
It asks for a repeat of something said just before. It is used when the speaker did not hear or understand, and it can sound neutral or surprised.
Example dialogue
我可能明天不能来，得加班。 wǒ kě néng míng tiān bù néng lái děi jiā bān
I may not be able to come tomorrow because I have to work overtime.
等一下，刚才你说什么？ děng yí xià gāng cái nǐ shuō shén me
Wait a second, what did you just say?