fail sth.和fail in sth.有什么区别?

fail sth.和fail in sth.有什么区别? fail to do sth和fail in doing sth的区别 fail in sth..fail to do sth.啥意思? fail和fail in 有什么区别? Fail fail 和fail in的用法区别和意思 fail的几种用法fail in sthfail in doing sthfail to do sthfail sth fail in doing sth中的in能不能省略 fail to do与fail (in) sth有什么区别啊 fail to do sth是未能做某事?还是失败做某事?有没有fail in doing sth? fail to do sth=? fail 与fail in的用法是一样吗那请问fail和fail in的不同之处和它们的意思 fail in的近义词 forget to do sth和fail to do sth 的区别当fail 也意为忘记,时 fail和fail in用法什么时候加in什么时候不加in, fail in the exam fail the exam区别还有believe in 和 believe区别. fail the exam和fail in the exam 哪个是英式用法?哪个是美式用法? 是fail in the match 还是fail the match