Meaning of gāng cái:
刚才
just now; a moment ago; just now (variant of 剛才|刚才[gang1 cai2])
Wǒmen hái zài tǎolùn gāngcái de shìqing.
我们还在讨论刚才的事情。
We are still discussing the matter from just now.
Wǒ gāngcái zài shūdiàn mǎile yī běn shū.
我刚才在书店买了一本书。
I just bought a book at the bookstore.
Wǒmen gāngcái hái zài tǎolùn zhège wèntí.
我们刚才还在讨论这个问题。
We were just discussing this issue a moment ago.
Wǒmen gāngcái qùle yī gè kāfēiguǎn.
我们刚才去了一个咖啡馆。
We went to a cafe a moment ago.
Wǒ gāngcái jiàn dàole nǐ de péngyǒu.
我刚才见到了你的朋友。
I just saw your friend.