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?