沒用的的用法和樣例：
例句
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我們不可能改變他，故而必須盡量處理好。覆水難收，後悔是沒用的。
But we can't change him, so we must make the best of it. What's done cannot be undone, on use crying over spilt milk. -
這些抽屜里凈是沒用的東西，我得好好清理一下了。
These drawers are full of rubbish; it's time I had a good turn-out. -
你簡直是個沒用的懶蛋！
You lousy bum! -
我認為讀書不求甚解是沒用的。
I think it useless read without under stand.
