bear a hand

基本解释

Here's old Ratty! ' they cried as soon as they saw him. 'Come and bear a hand, Rat, and do not stand about idle!
“河鼠兄来啦！”他们一见河鼠，便喊了起来。“快过来帮一手，河鼠，别在那儿愣着！”
We were so short of men that everyone on board had to bear a hand--only the captain lying on a mattress in the stern and giving his orders, for though greatly recovered he was still in want of quiet.
我们的人手实在少得很，船上的每一个人都得出把力。只有船长躺在船尾的一张垫子上下命令。他的伤势虽然大有好转，但还需要静养。
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Dick saw a woman with a flat tire and offered to bear her a hand with it.
迪克看见一位妇女的车胎放炮了，他便主动帮助她换车胎。

Journalists and bloggers bear a lot of the blame here for being willing to publish third-hand-riffing on a translated quote that does not bear much resemblance to reality.
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