31)do the trick 做成功；达到理想的结果
Model:
——I’ve been trying to get the furnace started, but I can’t find the right switch. (我尽力想让炉子燃起来，可不知道该按哪个键。)
——Here, I believe this one in the back will do the trick. (这里，我相信后面按这个键，可以让炉子燃起来。)

32)drag one’s feet 行动缓慢；磨磨蹭蹭不情愿
Model:
——How’s Bob coming along on his dissertation¹ proposal? (Bob的论文计划进展地怎么样了？)
——He’s really been dragging his feet. (他很磨蹭的。)

33)draw the line 拒绝，拒不容忍
Model:
——Paul expects me to clean the room every week. (Paul想让我每周打扫房间。)
——That’s where I draw the line. (可是我绝对不会答应的。

34)feel down in the dumps 心情不好；情绪低落
Model:
——Kate was really feeling down in the dumps about her latest chemistry assignment. (Kate为最近的化学作业成绩感到很沮丧。)

35)few and far between 不多；少而分散的；不常碰到或发现的；稀少的
Model:
——Steve is really a terrific guy. (Steve真是不简单。)
——He sure is. Ones like him are few and far between. (当然。像他那样的人可不多见。)

36)fit as a fiddle² 身体很健康
Model:
—— Harry³! How have you been? I haven’t seen you in ages. (Harry，你好吗？好久没看见你了。)
——I’m fit as a fiddle. This exercise program I’m following is terrific. (我身体好极了。我正进行的这个锻炼计划太棒了。)

37)grin and bear 任劳任怨；毫无怨言地忍受
Model:
——Carla,I can’t take this job any longer. (Carla，我不能再做这份工作了。)
——If you need the money, you’ll just have to grin and bear it. ( 如果你需要钱，你就得忍耐。)

38)hit the spot (特指吃了食物，喝了饮料之后)精神完全恢复过来或感到满足；恢复精力；提精神
Model:
——This Lemonade sure hits the spot.(柠檬汁太提神了。)
——And how! (当然了！)

39)keep between the two of us 不让第三者知道，保密
Model:
——What I’m going to say is rather personal, so let’s keep between the two of us. (我要讲的纯属私事，所以希望你能保密。)

40)know a thing or two about 略知一二
Model:
——Do you think Andy could help us plan the camping trip to West Virginia? (你认为Andy会帮我们计划去西弗吉尼亚州野营吗？)
——Well, since he spends every summer there, he might know a thing or two about it. (可能吧。他每个夏天都去那儿，应该知道一些事儿。)

41)leave no stone unturned 不遗余力；全力以赴
Model:
——Lynn left no stone unturned in her research, and handed in an excellent paper. (Lynn全力以赴做她的研究，交了一篇优秀的论文。)

42)on cloud nine 沉浸在幸福之中；非常高兴
Model:
——Marcia looks like she’s on cloud nine. Do you know what made her so happy? (Marcia好象沉浸在幸福之中。你知道她为什么这么高兴吗？)
　　——She just had a paper accepted for publication. (她有一篇文章要发表了。)

43)on the tip of one’s tongue 一时想不起来，话到嘴边又忘记
Model:
——Are you sure you can’t remember the name of that record? (你肯定记不起来那张唱片的名字吗？)
——It’s just on the tip of my tongue! (我就是一时想不起来了。

44)reach the bottom of the barrel 用完，弹尽粮绝
Model:
——Don’t you have any other clean shirts? (你还有其它干净衬衫吗？)
——I guess I’ve reached the bottom of the barrel. (我想我已经用完了。)

45)rub sb. the wrong way 使(某人)有点恼火；惹怒；引起反感；烦扰，打搅
Model:
——What do you think of our new economics instructor⁴? (你觉得新经济学老师怎么样？)
——I don’t know. Something about him rubs me the wrong way. 不知怎么的，他有点让我反感。