● Chop and change: 变化无常
　　“Our boss is fickle, chopping and changing so much.”

　　● Make or break:可以成功或失败
　　“What book reviewers say may sometimes make or break a new publication.”

　　● Do or die:不是成功便是失败死亡
　　“All must forge ahead and fight to a finish! Do or die, you know!”

　　● Hum and haw: 踌躇
　　“when I asked James about his future plan, he just hummed and hawed.”

　　● Rant and rave: 大声责怪
　　“The two hawkers pointed at each other, ranting and raving non- stop.”

　　● Sink or swim: 不论好歹
　　“Sink or swim, you have to go to the job interview to try your luck.”

　　● Toss and turn: 辗转难眠
　　“As something important was on her mind, Janet tossed and turned for a long time before falling asleep.”

　　● Wait and see: 耐心等待
　　“It is too early to say whether the new political system will work; we will just have to wait and see.”

　　● Wine and dine : 吃吃喝喝
　　“After a day's hard work, the construction workers wined and dined at a coffee shop.”

　　● Scrimp and scrape: 尽量节省
　　“The couple bought an apartment at a high price and had to scrimp and scrape for the next 20 years.”

　　● Bow and scrape: 打躬作揖
　　“It is right to be polite to your superior, but it is wrong, and even contemptible, to bow and scrape to him or her.”

　　●As and when:当
　　“Newsletters will be posted to all members as and when they are ready.”

　　● By and large: 大体上
　　“Though our govern-ment has not performed remarkably well, by and large, it is a good year for all of us.”

　　● In and out: 进进出出
　　“Jane should have something urgent to see her boss, as she has been in and out looking for him.”

　　● More or less: 或多或少；差不多
　　“Such an explanation has more or less dispelled the staff's misgivings.”

　　● Now and then: 偶尔
　　“I go to book shops now and then, not as often as I used to.”

　　● On and off : 断断续续地
　　“As a student, you must read regularly, not on and off.”

　　● To and fro: 来来往往地
　　“What happens to that stranger? He has been walking to and fro along the corridor for hours.”

　　● Up and about: 恢复健康
　　“After a few days' recuperation, Henry looks good and is up and about again.”

　　● By and by: 不久之后
　　“When I first learned English vocabulary, I remembered a few words every day. By and by, the number of words and expressions increased very rapidly.”

　　● Little by little: 渐渐地
　　“As long as we work hard, we will make progress little by little.”

　　● Through and through: 从头到尾地；彻底
　　“Some pupils were caught in the rain and got drenched through and through.”