doubtful about

英 美
  • 对...有怀疑;对...不能确定
  • about prep.关于;大约;在...周围adv.大约;附近;到处;在周围adj.即将的;正要的;在流行中的
  • doubtful adj.可疑的;怀疑的;不确定的
    1. I am doubtful about the value of your proposal.
      我怀疑你的提议是否有价值。
    2. I am doubtful about the propriety of granting such a request.
      我怀疑答应这项要求是否合适。
    3. I'm rather doubtful about his integrity.
      我对这事的忠诚颇有怀疑。
    4. Because of a long drought, the farmers are doubtful about the prospect of a good yield.
      因为长时间的干旱,农民们对于好收成的前景是怀疑的。