It is no good/use (in) doing sth. 做是没用的；做是白费力气的

　　= It is of no good/use doing sth.

　　= It is not any good/use doing sth.

　　120. It is no sue crying over spilt milk.覆水难收，悔恨无益。

　　121. It is no use trying to drown your sorrows in drink. 解酒浇愁无济于事。

　　122. Its no good getting cross with him.和他生气没有用。

　　123. Its no good reading without full understanding.

　　Its exciting doing sth.

　　124. Its exciting meeting you here.

　　Its dangerous doing sth.

　　125. Its dangerous playing with fire.

　　Its foolish doing sth.

　　126. Its foolish behaving like that.

　　Its pleasant doing sth.

　　127. Its pleasant lying in the sun.

　　Its fun doing sth.

　　128. Its fun being a magician.

　　Its no use doing sth. 做没有用

　　129. Its no use crying over spilt milk.

　　130. Its no use regretting.

　　131. Its no use you running away.

　　注意：

　　1. 辨析：Its no use doing sth. Its no use to do sth.

　　132. Its no use doing sth. 通常指比较一般的情况。

　　133. Its no use to do sth.常指具体的情况，也就是指在某一特定的场合所发生的事情。

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