1. the moment (that) 引起时间状语从句， 一……就，表示一个行为发生后，紧接着发生另一个行为，相当于as soon as…。 The moment I saw him I knew there was no hope. 我一看见他就知道没有希望。 他一说话，我们就辨认出他的声音。 The moment he spoke we recognized his voice.
▲类似的名词除moment外，minute, second也可以表示同样意思用作连词。immediately也可用作连词，相当于 as soon as的用法。 We'll leave the minute you're ready. 你一准备好我们就离开。 Please let me know immediately you get the results. 你一得到结果，请立即告诉我。
Time 的前面加any,each,every,next,first,last时, time 有连词的性质, 后面加从句 Every time I saw him, I found him to be taller. You can call me any time you want to. The last time I went to China, I wisited Shanghai.
2. for a moment 一下子，片刻，一会儿 注意：for the moment 目前，暂时
3. It is perfect for 对……妙极了 be perfect for… 意为“对……极好，对……合适”。 The weather is perfect for a garden party. 这种天气对举行游园会太合适了。 This big house is perfect for our large family.
4. force sth. open 强行打开 注意：open 作宾补。 The boxes of precious stones were forced open . 一箱箱宝石被强行打开。
5. break off 打断，折断，突然停止，休息，绝交 He broke off a branch and gave it to me . Tom broke off telling the story to answer the telephone . 汤姆讲故事时突然停下来，去接电话。
她与她最好的朋友绝交了. She broke off with her best friend . 让我们休息10分钟吧. Let's break off for ten minutes . = Let's have a rest for ten minutes .
6. a flight of twelve stairs 一节 12 级台阶 He lives two flights up . 他住的地方还要再上两段楼梯。 She fell down a flight of stairs . 她从一段楼梯上摔了下来。