等物理课。这门课怎么样？)
——I think I’ve bitten off more than I can chew. (我是心有余而力不足啊。)
30)break new ground 创新
——His architectural design broke new ground in the field. (他的建筑设计是这个领域里的创新。)
31)do the trick 做成功；达到理想的结果
——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
dissertation 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 fiddle 身体很健康Model: —— Harry! 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