【釋義】
《三十六計(jì)》之[第二十一計(jì)]金蟬脫殼，指蟬變?yōu)槌上x時(shí)要脫去幼早的殼。比喻用計(jì)脫逃使對(duì)方不能及時(shí)發(fā)覺。
金蟬脫殼用英語怎么說
 slipping away by casting off a cloak; getting away like the cicada sloughing its skin

slip 是什么意思
n.容易；悠閑；安逸；自在
v.減輕；放松；緩和；緩慢移動(dòng)
I was unlucky to slip on a banana skin and fall over.
我真倒霉，踩在香蕉皮上滑倒了。
The gear slipped.
齒輪滑脫了
The office slipped up and the letter was never sent.
辦公室里的人疏忽了，那封信根本就沒有發(fā)出去。
Leaving his name off the list was a bad slip up.
名單上沒有他的名字是個(gè)嚴(yán)重的疏忽。

cast off 是什么意思
v.遺棄；放出；脫下

He was able to cast off such an uninteresting task.
他終于擺脫了這么一項(xiàng)乏味的工作。
They are going to cast off the hunting dog.
他們準(zhǔn)備把獵狗放出來。

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