executive board 执行委员会，董事会

happen to 刚好

confine sb. to 把某人限定在范围内

take up 占用

botanical garden 植物园

be accustomed to 习惯于

be accused of 因……被起诉/指责

be less likely to 不太可能

resort to 依靠，诉诸

be obliged to 应该

be based on 基于

put up with 忍受，容忍

specialize in 专门研究

in time 及时地

make peace 讲和，言归于好

out of control 失控

call for 要求，提倡

take it for granted 认为其理所当然

be crazy about 着迷于，热衷于

be alien to 与…相异，与……格格不入

broaden one’s horizons 开阔某人的视野

a sheer waste of time 纯粹浪费时间

slip into 陷入，堕入

have expertise in 有……的专业知识

convert into把……转化成……

regard as 把……看作……

put effort into 把精力花费在……

make use of 利用

sign up 报名参加

be qualified to 能胜任……

buy out 出钱使……放弃地位

in desperate need of 迫切需要

be mean to 对……刻薄

derive from 得自

teach sb. a lesson 教训某人一顿

take away 带走，拿走

be suspected of 被怀疑(做……)

on behalf of 作为……的代表;为了……的利益

be irritated with 被激怒

thrive on 因……繁荣发展

place a strain on 使……(极度)紧张，造成压力

pose a threat to 对……造成威胁