plus fours
noun/ˌplʌs ˈfɔːz/
/ˌplʌs ˈfɔːrz/
[plural] (British English)- wide loose trousers that end just below the knees, where they fit closely, and that used to be worn, for example, by men playing golf
（过膝下四英寸的）灯笼裤；宽大运动裤 - a pair of plus fours
一条灯笼裤
Word Origin1920s: so named because the overhang at the knee required an extra four inches of material. - a pair of plus fours