Idioms
play footsie with somebody
to touch somebody’s feet lightly with your own feet, especially under a table, as an expression of romantic interest （在桌下）与某人脚碰脚调情，脚挨脚爱抚 to work with somebody in a close but secret way 与他人紧密但秘密地合作 She accused the prime minister of playing footsie with the nationalists. 她指责首相与民族主义者暗中勾结。