wast的用法和樣例：
例句
- All our efforts were wasted.
我們全部的努力都白費了。 - She claimed that money had been wasted and our financial difficulties seemed to prove her point.
她斷定那筆錢用得不是地方，而我們在經濟上遇到的困難卻也似乎說明她言之有理。 - He rapped the government on the knuckles for wasting the public money.
他尖刻地抨擊政府浪費公款。 - All his efforts were wasted.
他的所有努力都白費了。
