重點講解：
1. first class
頭等的；一等的；
eg. He won himself two first-class tickets to fly to Dublin.
他為自己贏得了兩張飛往都柏林的頭等艙機票。
eg. He paid for and was assigned a cabin in first class.
他付完錢后被安排到了頭等艙。
2. chicken-shit
膽小鬼；
eg. Winning any other way is chicken-shit.
以其他任何方式取得勝利的都是懦夫。
eg. Don't be such a chicken shit. Go ask her to dance.
別像個膽小鬼似的，去邀請她跳舞吧。
3. You bet.
口語常用；表示“是的，沒錯，完全正確”；
eg. 'It's settled, then?' — 'You bet.'
“那么，就這么定了？”——“定了。”
eg. Whatever i ask you have to answer 'you bet'.
不管我問什么，你都必須回答“沒錯” 。
4. buck for
努力爭取；
eg. She is bucking for a promotion.
她正在努力爭取升職。
eg. Item twenty-six any work done by any member of the association is volunteer, and no one should buck for his own interests.
第二十六條本單位所有人員的工作都是無償?shù)模恢\求任何個人的利益。