deuce
noun [ U ] uk/djuːs/ us/duːs/
（网球赛中的）平局（即双方均得40分）
the score in tennis when both players have 40 points
（纸牌中的）二;（骰子游戏中的）两点
the word for "two" in some card and dice games
the deuceold-fashioned informal （用于问句中表示恼怒或惊讶）到底，究竟
used in questions to express anger or surprise
What the deuce do you think you're doing? 你认为自己到底在干什么？