ace in

例句：

1. 1.He is an ace in the game of chess.
   他在国际象棋中是顶尖高手。
2. 2.The ace in the hole is the only way to win this game.
   唯一的胜利方式就是抓住这个漏洞。
3. 3. She was the ace in the room when it came to solving the problem.
   在解决问题时，她是房间里的佼佼者。