to use or spend a lot of time, money, energy, etc.花费；消费；耗费- expend something (in/on something) She expended all her efforts on the care of home and children.她把所有精力都花在照顾家庭和孩子上。
- expend something in/on doing something Smith had expended large sums in pursuing his claim through the court.史密斯在法庭上要求他赔偿大笔费用。
- expend something doing something Most animals expend a lot of energy searching for food.大多数动物都花费大量精力寻找食物。
Extra Examples- I am not prepared to expend any more effort on this project.我不准备在这个项目上花费更多的精力。
- the amount of time expended in cleaning清洁所花费的时间
- Try to get the best result without expending too much time and effort.尝试在不花费过多时间和精力的情况下获得最佳结果。
Oxford Collocations DictionaryExpend is used with these nouns as the object: See full entry Word Originlate Middle English: from Latin expendere, from ex- ‘out’ + pendere ‘weigh, pay’. Compare with spend.