来日

wǒ men lái rì fāng cháng

我们来日方长

The day is yet to come for somebody or somthing.

lái rì bù duō hái xū jiā bèi nǔ lì

来日不多，还须加倍努力。

There isn't much time ahead, so we should redouble our effort.

lái rì zài tán ba

来日再谈吧

let's talk about this in the next few days

děng bù duì lái rì zhuàng dà le wǒ men yī dìng dǎ huí lai

等部队来日壮大了，我们一定打回来。

When our forces expand in the future, we'll certainly come back.