plus fours
US /ˌplʌs ˈfɔːrz/
UK /ˌplʌs ˈfɔːrz/

1.
四分裤, 高尔夫裤
a type of baggy trousers that reach to just below the knee, traditionally worn by men for sports such as golf or shooting
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He looked quite dapper in his tweed jacket and plus fours.
他穿着斜纹软呢夹克和四分裤,看起来相当潇洒。
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The old golfer still preferred to wear his traditional plus fours on the course.
那位老高尔夫球手仍然喜欢在球场上穿他传统的四分裤。