piggy in the middleBritish EnglishBrE a) informalEFFECT/INFLUENCE someone who is involved in an argument between two opposing sides, but does not know who they should support 〔在对立双方之间却不知道支持哪一方的〕夹在中间的人 What have I got myself into? I’m piggy in the middle between Guido and Silvia! 我这是怎么了？我夹在吉多和西尔维娅之间真是两难！
b) DGOa game in which two people throw a ball backwards and forwards between them, while a third person in the middle tries to catch it 掷球游戏〔两个人互相掷球，尽量不让中间的第三人接到球〕 SYN American English keep-away
→ piggy in the middle at piggy1(1)