重點講解：
1. keep on 重復；繼續(xù)；
例句：A business must stay in the black to keep on.
一個公司必須盈利才能維持jjJF;JKMsLG|。
2. shut up （使）住口；（使）閉嘴；
例句：She gave me a gentle nudge in the ribs to tell me to shut up.
她用肘輕輕捅了一下我肋骨讓我住口jC9IZqx8d@!M,BU~。
3. tend to do sth. 往往會；經常就；
例句：Most old people tend to cling to old ideas.
多數(shù)老年人常常墨守成規(guī)-1dDFb46XvRkriD%q2KQ。
4. in general 總的來說；總體上來看；大體上；
例句：In general her work has been good,but this essay is dreadful.
總的說來，她的作品不錯，不過這篇文章糟透了R%hzxg[8|%2|;F。
5. by the way 順便地；附帶說一句；
例句：Oh, by the way, there is a telephone message for you.
噢，對了，有你一個電話口信0II*+f8lyK7YMQv。