should have; would have been better
前の方がよかったよね
The previous one was better, wasn’t it?
— 君の名は。 (2016)
私たちはそれをやっておいた方がよかったかもしれない。
Maybe we should have done that.
彼女は役に立つと私は思ったのだが、実際はいない方がよかったのだ。
I thought she would be useful, but as it turned out, it would have been better if she hadn't been there.
見ない方がよかった
I wish I hadn’t seen it.
— デッド・ドント・ダイ (2019)
黙ってた方がよかったんだよね?
I should have kept quiet, right?