expression, ichidan verb
leave to chance; resign oneself to fate; leave the rest to heaven
An idiomatic expression used when one has done all they can and now entrusts the outcome to fate, luck, or a higher power. Often carries a nuance of acceptance or surrender.
もうできることは全部やった。あとは運を天に任せるだけだ。
I've done everything I can. Now I just have to leave the rest to fate.
結果はわからないが、運を天に任せよう。
I don't know what the result will be, but let's leave it to heaven.