Never catch at a falling knife.

千万不要试图接住掉落的刀。

youdao

He acted like a drowning man trying to catch at a straw.

他那样做好像一个快要淹死的人拼命想捞救命稻草一样。

《新英汉大辞典》

A drowning man will catch at a straw.

快淹死的人一根稻草也会抓。

youdao

Then they sell their catch at prices too low for the local fishing industry to compete.

VOA: special.2009.12.08

There may be some inefficiencies, and at some point, if you catch me in the hallway, I can give you a sermon on what goes on inside that reactor.

可能会有某些损耗，如果你能在过道上遇到我的话，我会给你详细讲讲,里面到底发生了什么。

麻省理工公开课 - 固态化学导论课程节选

Sorry, I should reward you. Thank you for that statement. Anybody have an opposing opinion? Everybody's answering these things and sitting way up at the back. Nice catch. Yeah.

一边倒的辩论啊,抱歉，我该给你奖励来着,多谢你的观点,还有人有反对意见么？

麻省理工公开课 - 计算机科学及编程导论课程节选

However, he also saw receivers that he was covering catch at least a half-dozen touchdowns.

WSJ: AP Source: Webster, Baas rework contracts for 2013

In return, the Russians offered Pacific Andes their catch at a cheaper rate.

FORBES: Blue Waters Gray Areas

But his luck ran out on 29 as Brad Hodge grabbed a catch at short-leg off Warne.

BBC: SPORT | Cricket | Bravo makes Aussies wait for win