a type of cow kept for its rich milk 根西牛（产奶品质好） - guernsey
a thick sweater made with dark blue wool that has been specially treated so that it does not let water through, worn originally by fishermen 格恩西防水羊毛衫（深蓝色，原为渔民所穿） - guernsey(Australian English)
a football sweater, especially one of the type without arms worn by Australian Rules players 足球运动衫；（尤指澳大利亚式橄榄球运动员穿的）运动背心 - Guernsey
the second largest of the Channel Islands. It is famous for its milk products, as a tourist centre, and as a place where the people pay very little tax. Its capital is St Peter Port. 根西岛： 海峡群岛第二大岛。它以牛奶制品，旅游中心和人们少缴税款的地方而闻名。它的首都是圣彼得港。
Idioms
get a guernsey
- (Australian English, informal)
to be recognized as being good (originally meaning to be chosen for a football team) 获得认可；得到承认