it is no good doing sth和it is no use doing sth是什么意思？ 要例句
推荐回答（1个）
it
is
no
good
doing
sth做某事是没益处的
It
is
no
good
reading
without
understanding
.（只阅读不理解）
it
is
no
use
doing
sth做某事是没用的
it
is
no
use
regretting
your
past
mistakes（后悔过去的错失）
这些都是固定搭配，类似的用法还有It
is
no
fun
doing
sth.
做某事没有乐趣。。
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