I quit smoking cold turkey.

我用突然戒烟法戒了烟。

《牛津词典》

He said he realized he had an addictive personality and quit drinking cold Turkey.

他说他意识到他曾沉迷于酒精中并且戒掉了这个不好的习惯。

youdao

He's now turning things around: He quit gaming cold-turkey and is re-discovering friends and exercise.

他现在变了：戒掉了网游，开始发现新朋友，还开始锻炼身体了。

youdao

"It became a little destructive, so I quit cold turkey and I decided to write something, " she says.

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