Chinese Finesse
A Chinese finesse is a play which consists of playing an honor from your hand to force out the honor ranked one higher and at the same time crush a bare (singleton) small honor (often Jack, 10 or 9) from the other hand.
Example. You're South and you need to make 3 ♥ tricks in order to win your contract : you know that W has 6 ♥ cards. What's your game plan ?