no easy sth是不是等于 be not an easy sth

be easy to do sth 和 be easy doing sth有什么区别 容易做某事 是easy to do sth 还是be easy to do sth sth is no easy task这话对吗?...请具体分析 easy 的用法是easy to do sth 还是easy doing sth 可以说It is easy doing sth吗 It's not easy to be an astronaut’s son .. it be adj to do sth与sth be adj to do区别 eg.It is easy to take It's easy +doing sth.还是＋to do sth.? it is easy to do sth.跟it easy to do sth. Writing is not an easy task.=Writing is no easy task.这两者是一个意 an (no) appeal for sth. not easy