people sometimes say someone is ‘grinning like a Cheshire cat’ to mean that they have a big and rather sillysmile on their face. This phrase comes from a character in Alice’s Adventures in Wonderland by Lewis Carroll, which disappears until only its big smile can be seen. 柴郡猫,笑脸猫〔刘易斯·卡罗尔所著《艾丽丝漫游奇境记》中的一只猫,该词常见于短语grin like a Cheshire cat,形容人咧嘴傻笑〕