Many of the crew died a terrible death as they thrashed about in shark-infested waters.

许多船员在鲨鱼成群的水域拼命扭动挣扎，死得很惨。

《柯林斯英汉双解大词典》

No longer are men expected to swim shark-infested waters or scale tall buildings to deliver a box of chocolates.

女孩子已经不期待男友游过鲨鱼遍布的海洋，或者爬上高高的楼房自己送一盒巧克力的故事了。

youdao

Arriving at the ferry terminal, my stomach lurches as I spot the vessel that we are about to spend three and a half hours on, crossing open shark-infested waters.

到了码头，我看见渡船就感觉胃部痉挛。我们就是要在这么一条船上呆上三个半小时，渡过鲨鱼出没的大海。

youdao

The company is swimming in shark-infested waters with no life-saving device around to help bail it out.

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And the sure way to toughen them is to throw them into shark-infested waters and let them sink or swim.

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Whereas creating a video game is akin to swimming through shark-infested waters, a board game can be designed and prototyped shark-free.

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