Instead, you have to go for a walk, ride a bike, or swim at least an hour.

相反，你必须至少花一个小时走路，骑车或者游泳。

youdao

The new students were just left to sink or swim.

学校完全让新生自生自灭。

《牛津词典》

I think athletes sink or swim depending on how they motivate themselves.

我认为运动员的成败取决于他们如何激励自己。

《柯林斯英汉双解大词典》

For many Americans, summer is a time to put on swim wear and spend time at the sea or a lake.

VOA: special.2010.06.08

In fact, that's their preferred state is suspended in a fluid where nutrients are widely available to them, and where they can swim from one spot to another in order to get the nutrients they need, or in order to run away from toxic compounds.

事实上,细菌更喜欢生活在,营养丰富易得的悬浮液中,它们可以从一个点游动到另一点,以获取所需营养,或逃离有毒物质

耶鲁公开课 - 生物医学工程探索课程节选

Which would leave Chung Mong Koo and Hyundai to sink or swim on their own.

CNN: A NOVICE AT THE WHEEL

They're in this classroom -- they're sort of just thrown in to sink or swim.

WHITEHOUSE: Online Town Hall

Perhaps, more pragmatically, he calculated that Wahhabism and the Saud family would sink or swim together.

ECONOMIST: Sheikh Bin Baz