1.  useless
2.  unprofitable
3.  no good

• 1. 无益: vainness
• 2. 无益地: in vain | bootlessly | uselessly | ineffectually
• 3. 有害无益的: pernicious | insalubrious

更多释义

• 1.企求不可能的事情是徒劳无益的。
  It's no use wishing for the impossible.
  dict.yoduao.com
• 2.拒绝接受领导无益于该事业。
  Refusing to have one leader has not helped the cause.
  dict.yoduao.com
• 3.感受痛苦绝对是毫无益处的。
  There is absolutely nothing to be gained by feeling bitter.
  dict.yoduao.com

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