51. have faith in sth / be faithful to sth 对……忠诚
52. fall asleep / fall ill / fall silent 入睡/生病/ 恢复寂静
53. sb be familiar with sth / sth be familiar to sb 某人熟悉某物
54. find fault with sb / sb be at fault 挑某人的毛病/ 是某人的错
55. do sb a favor / give sb a hand 帮某人忙
56. feel like doing sth / would like to do sth 想要做某事
57. be fit / suitable for sth 适合，胜任
eg. Mary believes that she is fit for the new job. / 玛丽相信她可以胜任新的工作。
58. be fond of doing sth 对做某事感兴趣
59. force sb to do sth / make sb do sth / have sb do sth / get sb to do sth / let sb do 迫使某人做某事，让某人做某事
60. give out / give away / give up / give in / give off / give back 分发/ 送人/ 放弃/ 屈服/ 释放气体/ 归还
eg. I saw a man giving out pamphlets on the street. / 我刚看见一个人在街道上正发传单。
eg. When I grow up， I give away all my toys to my brothers. / 我长大后，把所有的玩具都给了我弟弟。
eg. Cars give off much poisonous gas every day. / 汽车每天释放出很多有害气体。
61. learn / know sth by heart 背诵，牢记在心
62. help oneself to sth / cannot help doing sth / cannot help to do sth 随便吃/ 禁不住做某事/ 不能帮忙做某事
63. hold on / hold up 坚持，稍等/ 阻塞
64. insist on / persist in / stick to 坚持
65. knock at the door / knock into the wall / knock out sb / knock sth off / knock sth over 敲门/撞墙/打晕某人/把……打掉/ 把……撞倒
eg. Who has knocked the vase off the shelf？ / 谁把花瓶从架子上弄掉的？
66. let out the secret / keep sth a secret 泄密/ 保守秘密
67. before long / long before / it is not long before …很久之前/ 不久之后/ 不久之后便……
eg. It was not long before I realized that how foolish I was at that time. / 不久之后我便意识到我当时是多么的愚蠢。
68. be made up of / consist of / contain / include 由……构成/ 包含，包括
eg. The class is made up of fifty students. / The class consists of fifty students. / The class contains/ includes fifty students. / 这个班由五十名学生组成。
69. mean to do sth / mean doing sth 打算做某事/ 意味着做某事
eg. I didn't mean to hurt you by telling you the truth. / 我告诉你真相并不是打算要伤害你。
eg. It means killing me that you lie to me. / 对我撒谎就意味着要杀了我。
70. in badly need of / in lack of / in want of 急需，缺乏
71. have nothing to do with sb / it is none of sb's business 和某人没关系/ 不管你的事
72. object to sth / doing sth 反对某事/ 反对做某事
