やめた方がいい

should stop

→ やめる
phrase Uncommon #19,178
should stop Used to give advice or make a recommendation; depending on tone, it can sound like a strong warning.
JA: 夜更かしはやめた方がいいよ。
EN: You should stop staying up late.

タバコとお酒はやめた方がいいよ。

You should quit smoking and drinking.

その変装やめた方がいいよ

You should probably stop wearing that disguise.

— ハウルの動く城 (2004)

酒とタバコはやめた方がいいよ。

You should quit drinking and smoking.

そんな文句ばっかり言うのはやめた方がいいと思うよ。

I think you should stop complaining so much.

もう秘密会議はやめた方がいいわ!

We should probably stop having secret meetings!

— ピエロがお前を嘲笑う (2014)

やめた方がいい

You’d better not.

— ロード・オブ・ザ・リング/二つの塔 (2002)

そんな不運な男について来るのはやめた方がいい

You’d better stop following such an unlucky man.

— 七人の侍 (1954)

そいつだけはやめた方がいいでしょう。

You’d better stay away from that guy.

たばこやめた方がいいよ。

You should quit smoking.