62、help oneself to sth/cannot help doing sth/cannot help to do sth 随意吃/忍不住做某事/不能帮助做某事
63、hold on/hold up 坚持，稍等/堵塞
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/打晕或人/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/保存隐秘
67、before long/long before/it is not long before …好久之前/不久以后/不久以后便……
eg：It was not long before I realized that how foolish I was at that time.不久以后我便认识到我其时是多么的愚笨。
68、be made up of/consist of/contain/include 由……构成/包含，包含
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构成。
69、mean to do sth/mean doing sth 计划做某事/意味着做某事
eg：I didn't mean to hurt you by telling you the truth.我通知你本相并不是计划要损伤你。
eg：It means killing me that you lie to me.对我说谎就意味着要杀了我。
70、in badly need of/in lack of/in want of 急需，缺少
