勝手にしろ

do whatever you want

→ 勝手だ
phrase Rare #21,053
do whatever you want Blunt and often dismissive; it can sound irritated or confrontational.
JA: もう止めないよ。勝手にしろ。
EN: I won’t stop you anymore. Do whatever you want.

じゃあ勝手にしろ

Fine, do whatever you want.

— Sanjuro (1962)

勝手にしろ

Do whatever you want.

— ロード・オブ・ザ・リング/王の帰還 (2003)

勝手にしろ!

Do whatever you want!

— さらば、わが愛/覇王別姫 (1993)

勝手にしろ。

Do whatever you want.

しなければ、しないで勝手にしろ。

If you’re not going to do it, then don’t—do whatever you want.