R
rack ones brain 绞尽脑汁
rain cats and dogs 瓢泼大雨
rain or shine 不论下雨还是天晴
raise ones eyebrows 使人感到惊讶、怀疑
run across 不期而遇，偶然发现
run into 偶然遇见
rather than 而不是
read between the lines 明白言外之意
recover from 从...中恢复过来
regard as 看作，当作
regardless of 不管
related to 与相关
remind sb. of sth. 使某人想起
resign ones post 辞职
respond to 有反应，有效果
responsible for 对负责任
result from 由于
result in 导致，结果是
ring a bell 听起来耳熟，使人仿佛记起某事
ring up 打电话
rock the boat 兴风作浪，惹事生非
roll up ones sleeves 卷起袖子准备工作
room and board 食宿
round the corner 即将到来
round the clock 日日夜夜，不分白天黑夜
rule out 排除
run for 竞选
run into 偶然遇到
run into a stone/brick wall 遭到拒绝，碰壁
run out of 用光
rush hour 高峰时间