He's always railing against his wife about her extravagance.

他总是责怪妻子浪费。

Mr. Pearson’s income allows of no extravagance in his way of living.

皮尔逊先生收入不允许他过生活。

His extravagance explains why he is always in debt.

他挥霍无度, 难怪总是欠债。

We must combat extravagance and waste.

我们必须反对铺张浪费。