round the clock 昼夜地
run about 到处跑
run around 到处跑
run at a speed of sth. 以……的速度前进
run at top speed 全速前进
run in 追捕
run off 跑开、跑掉
run out of sth. ……用光了
run out 用尽
run short 短缺
rush hour 交通拥挤时间
safe and sound 安然无恙
satisfy one's needs/demands/requirements 满足某人的需求
save sth. for 节约、节省
say hello to sb. 向某人问好
say to oneself 心里想
sb. be determined to do 下决心去……
sb. be encouraged to do sth. 某人被鼓励……
sb. be familiar with sth. 某人对……熟悉
sb. be forced to do 某人被强迫……
sb. be likely to do 很可能……
sb. be married to sb. 与……结婚
sb. be not oneself 某人状态不好
sb. be pleased to do…/at doing… 很高兴……
sb. be pleased with sth. 对……感到高兴、满意
