cut someone some slack

US /kʌt ˈsʌm.wʌn sʌm slæk/
UK /kʌt ˈsʌm.wʌn sʌm slæk/
"cut someone some slack" picture
1.

大目に見る, 寛大に扱う

to be less critical of someone or to allow them more freedom to do something

:
He's new to the job, so cut him some slack.
彼は仕事に不慣れだから、大目に見てあげて
I know she made a mistake, but cut her some slack; she's been under a lot of pressure.
彼女が間違いを犯したことは知っているが、大目に見てあげて。彼女はかなりのプレッシャーを受けていたんだ。