do your best

US /duː jʊər bɛst/
UK /duː jʊər bɛst/
"do your best" picture
1.

最善を尽くす, 全力を出す

to try as hard as you can; to make the greatest possible effort

:
Just do your best, and don't worry about the outcome.
ただ最善を尽くして、結果を心配しないでください。
I know you're nervous, but I'm sure you'll do your best.
緊張しているのはわかるけど、最善を尽くすと信じているよ。