possum/ˈpɔsəm; `pɑsəm/ n1 = opossum.2 (idm 习语) play `possum (infml 口) pretend to be unaware of sth in order to deceive sb (as a possum pretends to be dead when being attacked) 佯装不知以欺骗人（如负鼠受袭时装死状）; 装傻; 装糊涂.
牛津英汉双解词典