重點講解：
1. be happy to do sth. 樂意的；情愿的；
例句：If it would facilitate matters, I would be happy to come to New York.
如果對事態發展有利，我很樂意來紐約P|gJx0(xYeS0k^yY0N。
2. in jeopardy 處于危險境地；受到威脅；
例句：This kind of ethnic rivalry is clearly a serious issue that is placing economic growth and development in jeopardy.
這種種族的敵對狀態顯然是一個嚴肅的問題，使經濟的增長與發展處于危險的境地*vpq%PO]z8YjWU。
3. opt to do sth. 選擇；作出抉擇；
例句：Our students can also opt to stay in residence.
我們的學生也可以選擇住校l9JaFopexJ.^o0。
4. dine on 以…為正餐；
例句：My daughters could dine on caviar and champagne for the rest of their lives.
我的女兒們后半輩子可以天天吃魚子醬、喝香檳了Y|#5nNU]Fa,jtV。
5. at best 充其量；頂多；至多；
例句：This policy, they say, is at best confused and at worst non-existent.
有人說這項政策往好里說是混亂不堪，往壞里說就是形同虛設#;2t9HRxW5|W[k^o.@95。
我的女兒們后半輩子可以天天吃魚子醬、喝香檳了VY;h(|BiRu。