打ㄉㄚˇ牙ㄧㄚˊ祭ㄐㄧˋdǎyájì

  1. 原指每當月初、月中吃一頓葷食，後指偶爾享用豐盛的菜肴。例 「今天長官給大家加菜打牙祭」。

英to have a large and sumptuous meal (traditionally on the 1st and 15th of each month)​