His extravagance explains why he is always in debt.

挥霍无度, 难怪是欠。

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

是责怪妻子奢浪费。

We must combat extravagance and waste.

我们必须张浪费。

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

皮尔逊先生的收入不允许过奢的生活。