R
rain cats and dogs 瓢泼大雨
rain or shine 不论下雨还是天晴
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
regardless of 不管
remind sb.of sth 使某人想起
responsible for 对……负责人
result from 由于
ring up 打电话
room and board 食宿
round the corner 即将到来
round the lock 日日夜夜,不分白天黑夜
rule out 排除
run out of 用光
rush hour (交通)高峰时间