You must turn in your pass when you leave the building.

你离开大楼时必须交还通行证。

《牛津词典》

We must turn left.

我们必须左拐。

youdao

We must turn these words into action.

我们必须把这些文字转化为行动。

youdao

The glassblower must turn the pipe constantly so that the thick liquid glass does not fall off the end.

VOA: special.2009.09.16

It turns out that it didn't turn into World War III and -maybe they did shut down the housing or they must have curtailed it, but it created that boom.

结果没有爆发第三次世界大战,也许政府真的关闭了房产市场,至少他们限制了房地产,而这促进了房地产繁荣

耶鲁公开课 - 金融市场课程节选

conceded the military must turn the situation around soon.

VOA: standard.2009.09.03

Organizers must turn in more than 335, 000 valid voter signatures to force an election.

NPR: Recall Bid Against Ariz. Sheriff Faces Tough Odds

To optimize the economics of these disparate elements, the customer must turn information into intelligence.

FORBES: Engaging the Electric Grid - From Information to Intelligence

Third, overseas wars are costly and the U.S. must turn to its own economic recovery.

FORBES: The Real Reason We're Leaving Afghanistan