play the host;stand treat;entertain guests 这顿饭我～。The dinner is my treat.or:Let me foot the bill./革命不是～吃饭a revolution is not a dinner party/用公款～吃饭wining and dining out of public funds/～吃饭 give a dinner for guests/～送礼give dinner parties and gifts;entertain guests with lavish dinners and give them generous gifts