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a waste of time为什么用a

a waste of time为什么用a

a waste of time是固定搭配,a是修饰waste的;表示浪费时间的意思;

例句

In my view it was a waste of time.

依我看,这是浪费时间。

Its a waste of time and energy.

那是浪费时间和精力。

\'It\'s a waste of time,\' he concluded

“这是浪费时间。”他总结道。

Personally I think it\'s a waste of time

在我看来,这是浪费时间。

It\'s a waste of time to concern yourself over other people\'s troubles.

为别人的麻烦事操心,纯粹是浪费时间。