catch at 1. 试图抓住 He caught at the ball but missed it. 他伸手去接球，但没有接住。 2. 拼命抓住；急切地去取；很快地接受 catch at every opportunity 抓一切机会 The hungry man caught at the pancake and began to eat. 那个饿汉连忙伸手接过煎饼吃了起来。 Joe caught at Bill's offer to help. 乔马上接受了比尔提出的愿意给予帮助的建议。