重點講解：
1. bend over backwards
竭盡全力；
eg. People are bending over backwards to please customers.
人們正使出渾身解數取悅顧客RrU%4_&tK*Odp*bV)|!。
eg. Sue will bend over backwards to help her friends.
蘇會盡全力幫助朋友7m&quja-kn%]PEVSw。
2. go to great lengths
不遺余力；竭盡全力；千方百計；
eg. Greta Garbo went to great lengths to hide from reporters and photographers.
葛麗泰·嘉寶想方設法躲開記者和攝影師3;vQaUElwtie8oB。
eg. He'll go to great lengths to get the job done.
他將不遺余力去完成這項工作P^cZ~x3KpR61pCJrz-,K。
3. put in
花費，投入（時間或精力）；
eg. They've put in time and effort to keep the strike going.
他們花費了很多時間和精力以使罷工持續下去C^3&5g+tR*,D.Xjx。
eg. If we don't put money in we will lose our investment.
如果我們不再投入資金，我們會失掉本金%Wx)XXrm6!h5r&Hd)t。
4. expect sb. to do sth.
要求；認為應當得到；指望某人做某事；
eg. I wasn't expecting you to help.
我沒指望你幫忙6nLXaJhanAH4。
eg. It is unrealistic to expect them to be able to solve the problem immediately.
指望他們能夠立即解決問題是不現實的jBa;eBjkiAoK。