a playing card with a large single symbol on it, which has either the highest or the lowest value in a particular card game
a person who is very good at doing sth
that is so good that your opponent cannot reach the ball
very good or very skilled; excellent
"he has the one but will need a two and three to go with it"
"they had lunch at one"
"an ace reporter"
"a crack shot"
"a first-rate golfer"
"a super party"
"played top-notch tennis"
"an athlete in tiptop condition"
"she is absolutely tops"
"She sailed through her exams"
"You will pass with flying colors"
"She nailed her astrophysics course"
"He aced his opponents"
George Bevan's all right. He's an ace.
出自： P. G. Wodehouse
We came within an ace of victory.
我们差一点儿就要胜利了。 within an ace of v-ing
He came within his ace of being run over.