DICT.TW Dictionary Taiwan

 un·der·bid /ˌʌndɚ/
 (vt.)出較低的價錢,投標低于他人,以低價提供(vi.)喊價過低,叫牌過低

 Un·der·bid v. t. To bid less than, as when a contract or service is offered to the lowest bidder; to offer to contract, sell, or do for a lower price than.
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 underbid
      v 1: bid (a hand of cards) at less than the strength of the hand
           warrants
      2: bid lower than a competing bidder [ant: outbid]
      3: bid too low [ant: overbid]
      [also: underbidding]