It has got to be stopped. I've had enough of it.

我受够了，停止吧。

《新英汉大辞典》

Cut it out! I've had enough of it.

到此为止吧！我已经受够了。

youdao

The second person says: "I've had enough of it."

第二个人说：“活腻味了。”

youdao

So if you've finished 6 months of learning, don't say, "Oh, I've had enough of it. I know."

所以当你完成了6个月的学习后，别说，“噢，我觉得我已经学好了，我都懂了。”

学第二外语的时候 - SpeakingMax英语口语达人

I've had enough of it.

CNN: STORY HIGHLIGHTS

Maestro ALSOP: I've almost had enough of it.

NPR: Marin Alsop Takes over Baltimore Symphony

I've been lucky enough to have had a similar view of the United Kingdom as the Olympic flame did as it traveled my country, because in 2009, I ran 43 marathons -- 1166 miles -- around the British Isles, and I saw first hand, how positive and supportive the real British people can be.

CNN: STORY HIGHLIGHTS