useless

英 [ˈjuːs.ləs]      美 [ˈjuːs.ləs]
  • adj. 无用的;无效的
使用频率:
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useless (adj.)
1590s, from use (n.) + -less. Related: Uselessly; uselessness.
1. Most pre-prepared weight loss products are next to useless.
大多数预制减肥产品几乎都没有什么功效。
2. You may see yourself as useless, incompetent and blameworthy.
你也许会认为自己无用、不称职、应该受到指责。
3. He's useless at DIY. He won'teven put up a shelf.
他自己动手能力太差,甚至连搭个架子都不会。
4. He realised that their money was useless in this country.
他意识到他们国家的货币在这个国家一文不值。
5. But I put it to you that they're useless.
但是我告诉你它们是没用的。