extravagant

adj. /ɪkˈstrævəɡənt/ B2

奢侈的；挥霍的

Spending or using much more money or resources than is needed.

仙境例句

Painting every white rose red was an extravagant use of good red paint.

把每一朵白玫瑰都涂成红色，真是太浪费好红漆了。