到时候再说。（Dào shíhou zài shuō.）Let’s not talk about it until it actually comes.

Explanation

这个短句表示暂时不考虑某件事情，等这件事情真正发生时再考虑。
This sentence means not to think about something until it actually happens.
Words:

复习fùxí:review lessons;
毕业bìyè:graduation.

Sentences

1、Jiă: Nǐ zěnme hái bú fùxí?
甲：你怎么还不复习？
A: Aren’t you going to review your lessons?

Yǐ:Xià ge yuè cái kǎoshì ne, dào shíhou zài shuō.
乙：下个月才考试呢，到时候再说。
B: I still have time because the exam is in the next month.

2、 Jiă: Bìyè hòu nǐ dǎsuàn cóngshì shénme gōngzuò?
甲：毕业后你打算从事什么工作？
A: What are you going to do after graduation?

Yǐ:Bù zhīdao, dào shíhou zài shuō ba.
乙：不知道，到时候再说吧。
B: I still have no idea. I will think about it when I have to.