1. Money is his ace in the hole; he can afford an expensive campaign.2. My ability to play the piano very well is my trump card for impressing girls.3. Our good relationship with the large suppliers will be our bargaining chips in this business deal.
 Ace in the hole Trump card bargaining chip通常指最厲害的武器, 可以形容事物, 也能形容人
1. 財力是他的秘密武器, 他有能力辦很大的競選活動.2. 我彈一手好琴的才能是我掉馬子的王牌.3. 我們跟大供應商的關係是談這筆生意的王牌.
I am much smarter than my husband, but it is important to potect his manhood.