1·Our superior technology is our ace in the hole.
我们的优越技术是我们手中的王牌。
—— 《柯林斯英汉双解大词典》
2·He knows something about the boss, which is his ace in the hole.
他对老板有所了解，这是他的王牌。
3·That 100 dollars is my ace in the hole.
那100美元是我应急备用的钱。
4·Arizona now becomes our ultimate 12 ace in the hole.
现在亚利桑那是我们最后一张秘密王牌。
5·That spare can of gas in the trunk was our ace in the hole.
后背箱里那罐剩余的汽油是我们最后的储备。
6·A good negotiator always have more than one ace in the hole.
谈判高手总有数张王牌在手。
7·Your competitors do not know that you are an ace in the hole.
你的竞争者不知道你会有这样有用的办法。
8·You are my ace in the hole; I'll call on you when I need you.
你是我共患难的朋友，需要时我会来找你。
9·The lawyer's ace in the hole was a secret witness who had seen the accident.
那律师手中的一张王牌是目睹那次变乱的一个机密证人。
10·This can be your ace in the hole! It will get you through trying times and people will seek out your company.
这将会成为你手中的王牌！它能使你搜过艰难时期，人们也会愿意与你交往。