a.

1. 非常慷慨的；浪费的，滥花的[（+of/with）]
   lavish entertainment

   铺张的款待

   He is lavish in donating money to charity.

   他给慈善事业捐款非常慷慨。

2. 极其丰富的；大量的；无节制的

vt.

1. 挥霍，浪费；滥施[（+on）]
   lavish time and money on pets

   把大量时间和金钱花在宠物身上

adj.

1. sumptuously rich, elaborate, or luxurious.
2. giving or given in profusion.

v.