- [uncountable, countable]
(in tennis 网球 the situation when both players have 40 as a score, after which one player must win two points one after the other in order to win the game 局末平分 - [countable] (North American English)
a playing card with two pips on it 二点的纸牌 the deuce of clubs 梅花二
- the deuce[singular] (old-fashioned, informal)
used in questions to show that you are annoyed （用于问句中表示烦恼、厌恶）到底，究竟
Word Originsenses 1 to 2 late 15th cent.: from Old French deus ‘two’, from Latin duos.sense 3 mid 17th cent.: from Low German duus, probably of the same origin as deuce ‘two’ (two aces at dice being the worst throw).