checkback

名词 n.
中文释义

英文释义

名词 n.
  1. A play of a designated card as a prompt to one's partner to respond with a play indicating the kinds of card he/she holds. uncountable
    — True, you need some form of checkback, which is an artificial two-club or two-diamond rebid by the responder to ask for more information.

词源

From check + back.
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