1. He and his wife will not be wasteful of what is given them.
    他和他太太不会浪费别人给他们的东西。

2. 公共查询·英语单词大全

2. Let''s end the wasteful competition.
    让我们停止这种有损无益的竞争吧。

3. You should break your wasteful habits.
    你应该改掉挥霍的习惯。

1. 消费的：warrant 正当理由;许可证委任状;保证担保 | wasteful 消费的 | watchful 注意的,警惕的

2. wasteful的意思

2. 浪费的,不经济的：weird古怪的;离奇的 | wasteful浪费的,不经济的 | [65]bewilderment困惑,迷乱

3. 浪费的;破坏性的：waste 浪费;废物;垃圾 | wasteful 浪费的;破坏性的 | watch 观看

1. 浪费的;耗费的;挥霍的
    Action that is wasteful uses too much of something valuable such as time, money, or energy.

    e.g. This kind of training is ineffective, and wasteful of scarce resources...
           这种训练没有效率，而且是对稀缺资源的浪费。
    e.g. Try to avoid wasteful duplication of effort.
           尽量避免无用的重复劳动。