ace

1.A 纸牌（亦称“爱司”）a playing card with a large single symbol on it, which has either the highest or the lowest value in a particular card game

2.(informal)擅长…的人；精于…的人a person who is very good at doing sth

3.发球得分；爱司球a serve (= the first hit) that is so good that your opponent cannot reach the ball

an ace up your sleeve

秘藏的王牌；撒手锏；锦囊妙计a secret advantage, for example a piece of information or a skill, that you are ready to use if you need to

hold all the aces

占尽天时地利人和to have all the advantages in a situation

play your ace

打出王牌；使出绝招to use your best argument, etc. in order to get an advantage in a situation

within an ace of sth/of doing sth

差一点儿；几乎very close to sth

1.(informal)第一流的；极好的very good

1.(informal)~ sth在…中获得成功to be successful in sth

1.(击落五架以上敌机的)飞行勇士,空中英雄;(棒球等的)优秀选手,能手,专家

2.(纸牌,骰子等的)么

3.同花色中最大的牌

4.(网球赛等的)发球得分

5.少许,毫厘

6.〈美口〉一元的钞票

1.第一流的;能干的

1.(网球赛等)以发球赢(对方)一分

2.在(考试)中得满分

1.in card games, a card with only one symbol and either the highest or lowest value in a suit

2.in tennis, a very fast servefirst hit of the ball that your opponent cannot reach with their racket

3.in golf, an occasion in which a player hits the ball into the hole with one shot

4.someone who is very good at doing something

1.very skillful

2.very good

1.to get the best grade possible on a test, a piece of written work, etc.

2.to hit an ace in tennis or golf