When the boat sank, they had to swim for it.

小船下沉的时候，他们不得不游水逃生。

《新英汉大辞典》

"We must swim for it," Robin said. "Come on, Will, and let me give you a hand across."

罗宾说：“威尔，来吧，让我帮你将一手搭上。”

youdao

The sounds bounce off them and the lower jaw captures the returning sounds, making it possible for the dolphin to sense what's in the surrounding water and decide where to swim.

声音从它们那里折射，下颌捕捉到返回的声音，使海豚能够感受到周围水域中有什么，并决定游向哪里。

youdao

She says she chose Lake Ontario for her swim because it's one of the hardest open-water swims in the world, and she wanted to "accomplish something difficult" for children who fight cancer.

CNN: 14-year-old swims solo across Lake Ontario

When he does not run or swim or bike for a couple of days, it unravels him a little.

WSJ: Jason Gay: Italian for Dinner, a Triathlon for Dessert

One, a former diver with the Royal Navy who had been paralysed in a car accident, told Paul that it was impossible for them to swim on their fronts without their heads flopping into the water.

BBC: NEWS | Health | A bike for the paralysed