51、best make the of 很好地利用

52、had better do 最好 You'd better finish reading the book in this week，since I'm going to return it to the library.

would rather do 宁愿 I'd rather go there myself.

53、beyond 超出…

The professor's lecture is beyond me/beyond my understanding(超出我的理解范围)。

The apple on the tree is beyond my reach(够不着)。

54、Both…and… 两者都 either…or… 或者…或者…

neither…nor… 两者都不

55、be bound to do 注定…

You're bound to succeed as long as(只要)you keep on trying.

56、break into 闯入 break out 爆发 break through 突破

break up(关系等)破裂

57、catch one's breath

58、call off=cancel 取消 call on=visit 拜访 call for 请求，号召

The resident called for the people to fight against the invaders.

59、care for 关心，在乎 take care 保重 take care of=look after 照顾

60、carry on 继续 carry out 实施，执行

They decided to carry out the plan despite the opposition.

61、case 事实，实情;箱子;案例;病例

in case(of)以防，万一 Take my umbrella in case it rains.

In most cases 在大多数情况下

In no case 决不 in no way by no means

62、catch up with 赶上，保持一致 keep up with keep pace with

63、(be)in charge of 掌管，负责

take charge of 掌管，负责

charge…for… 开价，要价

The short man there is in charge of our company.

The hotel charges $100 for a double room.

64、challenge 挑战