I'd taken my phone off the hook in order to get some sleep.

我把电话听筒拿了下来，以便可以睡会儿觉。

《柯林斯英汉双解大词典》

He left the phone off the hook as he didn't want to be disturbed.

他不想被电话打扰，就把电话听筒摘下来了。

《牛津词典》

Turn your phone off or to silent.

别忘了把手机关闭或调成静音状态。

youdao

Reaching for a cell phone when it's going off, you're nine times more likely to get into an accident than normally driving."

VOA: special.2010.07.01

If your cell phone goes off during an exam, I come up there. I grab your paper, I tear it in half, and I give you a zero.

如果你的手机在考试时响起的话，我会上前，将你的卷子拿过来，撕成两半，给你零分。

麻省理工公开课 - 固态化学导论课程节选

Then all of a sudden, someone's phone goes off.

突然，有人的电话响了。

I hate 课堂 - SpeakingMax英语口语达人

Police took the phone off the man, but left it on the floor of the police van.

BBC: Inquiry into Norfolk police swearing claim

He swivelled in his chair and violently grabbed the phone off its hook.

NEWYORKER: Great Experiment

"The lesson I've learned is to keep my phone off when the 1950's gym teacher is on duty, " he wrote.

CNN: 'Rude' Alec Baldwin fled to toilet, booted from plane