wasteful /ˈweɪstfəl/ adjective Learner's definition of WASTEFUL
[more wasteful; most wasteful]
: using more of something than is needed : causing something valuable to be wasted浪费的;挥霍的;不必要的 -
a wasteful use of natural resources对自然资源的肆意挥霍
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a careless and wasteful person大大咧咧且大手大脚的人
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It was a wasteful [=unnecessary] duplication of effort.这样是重复劳动,没有必要。
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We must eliminate wasteful expenditures.我们必须杜绝不必要的开支。
— wastefulness
noun [noncount]