重點講解：
1. in debt
負債（狀態(tài)）；
eg. He was already deeply in debt through gambling losses.
他原就已經(jīng)因為賭博輸錢負債累累了。
eg. The board has so misconducted the company that it's deep in debt.
由于董事會對公司管理不善，公司負債累累。
2. have confidence in
信任；信賴；
eg. I have every confidence in you.
我完全相信你。
eg. I have confidence in the ability of the players.
我對于球員們的能力充滿信心。
3. how come
（用于因為驚訝而詢問）怎么會這樣呢，為什么；
eg. How come he hasn't been able to be as good this year?
為什么他今年表現(xiàn)不及往常呢？
eg. How come he got the job?
怎么他會得到這個職位呢？
4. turn down
拒絕（某人或其請求、提議等）；
eg. I thanked him for the offer but turned it down.
我謝絕了他的提議。
eg. She turned down every offer of help.
別人提出的幫助他她都拒絕了。