postman's knock

名词 n.
中文释义

英文释义

名词 n.
  1. A double knock at the door to indicate the delivery of letters or telegrams. countable
    — Whilst he was speaking we were startled by a knock at the hall door, the double postman's knock of the telegraph boy.
  2. Synonym of post office (“a party game involving the exchange of kisses”). uncountable

词形变化

postman's knocks plural
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