重點講解:
1. force sb. to do sth. 強迫;強制;
She forced herself to be polite to them.
她對他們強裝客氣 。
2. start off 使開始;
The discussion started off mildly enough.
討論頗為溫和地開展起來 。
3. alternate with (使)交替;(使)輪流;
Alternate cubes of meat with slices of red pepper.
交替放置肉丁和紅辣椒片 。
4. interfere with 妨礙;沖突;抵觸;
She never allows her personal feelings to interfere with her work.
她從不讓她的個人感情妨礙工作 。
n. 道德規范