Turn that thing off while I'm talking to you!

我和你谈话时把那个玩意儿关掉。

《牛津词典》

You may nod off while driving.

开车时你可能会打瞌睡。

youdao

Turn the tap off while you soap your hands or brush your teeth.

洗手或刷牙时把水龙头关掉。

youdao

"While cost remains a major factor in decisions about where to off-source, the quality of the labor pool is gaining importance, and this includes English language skills."

VOA: special.2011.01.21

Will we indeed be happier, better off while we're alive?

我们真的会活的更好吗

耶鲁公开课 - 古希腊历史简介课程节选

After a while, there were stretches where red gullies dropped off on either side of the road, and behind them there were patches of field buttoned together with 666 posts.

过了一会，有几段路,红色的排水沟在道路两旁延伸，后面是一块块的田地,一共有666根插在上面。

耶鲁公开课 - 1945年后的美国小说课程节选

He says he had two weeks off while serving in Afghanistan in 2010, so he headed to Athens, Greece.

FORBES: Why You Should Never Use Debit Cards

The house has been sealed off while police forensic officers examine the scene.

BBC: NEWS | UK | England | Lancashire | Murder probe as five die in fire

The house in Hinckley has been cordoned off while an investigation takes place.

BBC: Man arrested after shooting death in Hinckley