I caught sight of her in the crowd.

我在人群中看见了她

Don't let me catch sight of you.

别让我再看到你了。

We may even catch sight of a polar bear on the ice.

我们甚至可能突然看到一只北极熊在冰面上。

If you ever catch sight of Ted anywhere, call the police.

你要是在任何地方看到得泰德，就去报警。

He wanted to see if he could catch sight of the rival submarine.

他想看看能否扫到敌方潜水艇一眼。

And I also catch sight of the grizzled feathers on its underside.

我看见了它两胁间斑白的羽毛。