time will tell

Phrase

idiomatic

(idiomatic) Events and outcomes cannot be known beforehand.

Japanese Meaning

時が経てば、真実が明らかになる / 時間が経過すれば、結果が判明する / 時間の経過が物事の結末を明らかにする

We can prepare as much as we like, but time will tell whether our plan succeeds.

どれだけ準備しても、計画が成功するかどうかは時が経てば分かる。

Sense（1）

(idiomatic) Events and outcomes cannot be known beforehand.

This may not be a good idea, but time will tell.