美国。
详细解释：
fi.nesse
n.（名词）
Refinement and delicacy of performance, execution, or artisanship.
技巧：操作、执行或工艺的精细和精巧
Skillful, subtle handling of a situation; tactful, diplomatic maneuvering.
手段，手腕：一种情况娴熟、细微地处理；有技巧和外交手段的巧计
GamesThe playing of a card in a suit in which one holds a nonsequential higher card, either to induce an opponent to play an intermediate card that one`s partner can then top or to win the trick economically.
【游戏】先出较小牌的打法：一种玩牌方法，在一个人持有不连续的大牌时，或者劝诱对手出居中的牌以便让同伴能最大或狡猾地赢得这一局牌
A stratagem in which one appears to decline an advantage.
策略：一种某人看起来优势减弱的策略
v.（动词）
fi.nessed,fi.ness.ing,fi.ness.es
v.tr.（及物动词）
To accomplish by the use of finesse.
以技巧实现：利用巧妙的手段完成
To handle with a deceptive or evasive strategy.
耍诡计：利用欺骗的或逃避的策略处理
GamesTo play (a card) as a finesse.
【游戏】玩（牌）时先出较小牌的方法
v.intr.（不及物动词）
To use finesse.
利用巧计
GamesTo make a finesse in cards.
【游戏】在玩牌上出较小的牌
来源：
French [fineness, subtlety]
法语 [精细，精巧]
fromfin[fine] * seefine
源自fin[精细的] *参见fine
