fail to do sth和fail in doing sth的区别

fail to do sth=? fail in sth..fail to do sth.啥意思? fail to do sth和fail in doing sth的区别 forget to do sth和fail to do sth 的区别当fail 也意为忘记,时 fail to do和 fail doing有区别没? fail to do sth与forget to do的区别 never fail to do fail to do fail to do=? fail to do与fail (in) sth有什么区别啊 fail的几种用法fail in sthfail in doing sthfail to do sthfail sth fail sth.和fail in sth.有什么区别? fail to do sth是未能做某事?还是失败做某事?有没有fail in doing sth? pass sth to sb fail to do sth 这两个怎么造句啊?pass sth to sb fail to do sth 关于fail的英语英法知识有哪些请说出关于fail的一些句型,比如：fail to do sth.越多越好,最好举例 fail to do 还是fail to have done? We do not plan to fail we fail to fail to