let in 容许; 加进; 让…进入; 把…降下
例句:The chairman refused to let in the possibility of doubt.
主席不容许有怀疑的余地 。
His misconduct let in a host of troubles.
他的不端行为招致不少麻烦 。
take back 收回; (使)回忆起; 领回; 取回
例句:Even four horses cannot take back what one has said.
一言既出,驷马难追 。
I take back what I just said.
我收回我刚才说的话 。
【上期答案】
blowing off overprotective