| 31. | You'll crack this problem if you really work at it. |
| 要是你真正下点功夫，就一定能解答这个问题。
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| 32. | Bruce went into a low gear and drove at a terrifying speed, keeping the front wheels astride the crack as he followed its zigzag course. |
| 布鲁斯挂上慢档，把两只前轮分别搁在裂缝的两边，顺着弯弯曲曲的裂缝，以发疯的速度向前开去。
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| 33. | He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack . |
| 海龟刚恢复平衡，第二只海豚又冲过来猛击一下。
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| 34. | Why don't we crack open a bottle of champagne to celebrate? |
| 我们何不开瓶香槟酒庆祝一下呢？
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| 35. | The balloon went off with a crack . |
| 气球叭的一声炸掉了。
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| 36. | If the children won't behave when I reason with them, I have to crack the whip. |
| 要是我对这些孩子讲道理他们还不放规矩得点，我只好采取严厉手段。
|
| 37. | Open the window a fraction [ crack , bit], please. |
| 请将窗子打开一点点。
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| 38. | enlist in a crack infantry regiment |
| 加入赫赫有名的团队
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| 39. | a small inconspicuous crack in the vase |
| 花瓶上一道不明显的小裂纹
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| 40. | the crack of a pistol shot |
| 啪啪的手枪声
|