I can 't waste time on such frivolities .

我不能在这种无聊的事情上浪费时间。

Don 't waste your money on such frivolities .

不要把你的钱浪费在这种无聊的事上。

I 'm far too busy to waste time on frivolities like going to the cinema .

我非常忙，司不会把时间浪费在如看电影之类的无聊事情上。

No one could spare the time for such frivolities .

没有人会为了这种玩世不恭的事而抽出时间.

One doesn 't expect a serious political speech to be full of frivolities .

大家都没意料到严肃的政治演说充满了玩世不恭。