Bluffing
来自Big Physics
late 17th century (originally in the sense ‘blindfold, hoodwink’): from Dutch bluffen ‘brag’, or bluf ‘bragging’. The current sense (originally US, mid 19th century) originally referred to bluffing in the game of poker.
etymonline
bluffing (n.)
1845, in the poker sense, verbal noun from bluff (v.).
