the fashion police
noun [ S ] informal uk/ˈfæʃ.ən pəˌliːs/ us/ˈfæʃ.ən pəˌliːs/
时尚警察（指报刊或电视上有关名人着装的评论，或泛指人们对他人着装的评论）
a way of referring to newspapers, television programmes, etc. that discuss and criticize the clothes that famous people wear; a way of referring to people in general who criticize the clothes that people wear
The fashion police were divided on whether her dress looked "spectacular" or "disastrous". 关于她穿的礼物时尚警察们的意见分成两派，有的认为是“豪华富丽”，有的却认为是“糟糕透顶”。
Don't wear socks with sandals if you don't want to get arrested by the fashion police. 穿凉鞋的时候不要穿袜子，不然时尚警察们一定不会放过你。