劍橋詞典[ 不可數(shù)或單數(shù)名詞：沒有復數(shù)形式的名詞 ] (US keep away) a game in which two people throw a ball to each other over the head of a person who stands between them and tries to catch it 小豬站中間，過頂傳球（兩人相互向?qū)Ψ饺忧颍碛幸蝗苏驹谥虚g試圖搶球的游戲） [ 可數(shù)名詞：有復數(shù)形式的名詞 通常作為單數(shù)使用的名詞 ] someone who is in a difficult situation between two other people who are arguing （夾在爭吵雙方中間）左右為難的人 返回 piggy in the middle