go off 走开 go on 继续 go on doing继续干某事,不停地干某事 go on with 继续 go out 出去,熄灭 go over 仔细检查,复习 go through 浏览;翻阅,通过
37.keep between the two of us 不让第三者知道,保密 38.know a thing or two about 略知一二