下次 + Clause
下次 (xià cì) means "next time" and is used to refer to a future occasion when the same situation may occur. It typically appears at the beginning of a sentence to set a time frame, as in 下次你来的时候 (next time you come).
下次我们一起去吃火锅吧。
xià cì wǒmen yìqǐ qù chī huǒguō ba.
Let's go eat hot pot together next time.
下次见面的时候,把书带给我。
xià cì jiànmiàn de shíhou, bǎ shū dài gěi wǒ.
Bring the book to me next time we meet.
这次没考好,下次一定要好好准备。
zhè cì méi kǎo hǎo, xià cì yídìng yào hǎohāo zhǔnbèi.
I didn't do well on this exam; I must prepare well next time.