He was once caught by the pirates.

他曾被海盗抓住过。

youdao

Humanity was once caught in the trap of high fertility and high mortality.

人类过去掉入高出生率和高死亡率的陷阱，而现在逃到了低出生率和低死亡率的自由之地。

youdao

Once caught, you can never again be in the eyes to the good and the pure, what you were before.

一旦揭穿，在善良和纯洁的眼光看来，你就再也不可能是过去的你了。

youdao

It's hard to catch drug traffickers in Mexico,Cuellar says, and once they are caught "...to prosecute someone, at least when I was down there, was less than a 2 percent chance."

VOA: standard.2010.07.20

Oddly, however, non-disclosers that co-operated thoroughly once caught reaped bigger reductions in their penalties than co-operating disclosers.

ECONOMIST: Walmart

Humanity was once caught in the trap of high fertility and high mortality.

ECONOMIST: Declining populations

She once caught a customer-service representative leaning against a wall attempting to eavesdrop on her conversation with a plant manager.

WSJ: Job Fears Make Offices All Ears