time will tell

US /taɪm wɪl tɛl/
UK /taɪm wɪl tɛl/
"time will tell" picture
1.

时间会证明一切, 时间会告诉我们

the truth or outcome of a situation will only be known in the future

:
We don't know if the new strategy will work, only time will tell.
我们不知道新策略是否会奏效,只有时间会证明一切
He promised to pay me back, but time will tell if he keeps his word.
他答应还我钱,但时间会证明他是否信守诺言。