56. substitute for: 代替，替换 The nurse substituted for the doctor who caught a terrible cold. 这个护士替下了患重感冒的那位医生。
57. make out: 理解，明白 I cannot make out the meaning of this sentence. 我无法理解这句话的意思。
58. in good condition: 状态良好=in good shape out of condition: 状态不佳=out of shape For a person who is in good physical condition, climbing mountains is a cinch. 对于身体状况良好的人而言，登山不在话下。 be a cinch: 易如反掌，小事一桩=a piece of cake; be as easy as pie/winking; nothing to it
59. as such: 以某种身份、资格，像所指的人或事物那样 If you act like a fool, you must be treated as such. 如果你表现得像个傻子一样，你一定就会被这样对待。
