In sports played on a marked field or court, a linesman is an official who stands by the side line and watches whether the ball — or a player — has gone out. You meet the word in football (soccer), hockey, and tennis.

In sports played on a marked field or court在有畫線的場地或球場上比賽的運動裡, a linesman is an official who stands by the side line and watches whether the ball — or a player — has gone outlinesman是站在邊線旁邊、負責看球或球員有沒有出界的裁判。You meet the word你會遇到這個詞 in football (soccer), hockey, and tennis在足球、曲棍球和網球裡。

Though actually, names have been shifting. In football, the job is now officially “assistant referee,” and younger commentators often say that; older fans still say linesman, and everyone knows what it means. In tennis, people also say line judge. The word still sounds like “a man,” but women do the job too; some organisations say linesperson.

Though actually不過, names have been shifting名稱一直在變化。In football在足球裡, the job is now officially "assistant referee,"這個職位現在正式名稱是"assistant referee"（助理裁判）, and younger commentators often say that年輕一輩的球評常這樣說; older fans still say linesman老球迷還是說linesman, and everyone knows what it means大家都懂意思。In tennis在網球裡, people also say line judge大家也會說line judge。The word still sounds like "a man,"這個詞聽起來還是像在講「男的」 but women do the job too但女生也做這份工作; some organisations say linesperson有些組織會說linesperson。

It is a sports-official word, not a classroom word. Do not confuse it with lineman, which is a player on the American-football line, or someone who works on power lines.

It is a sports-official word這是運動裁判用詞, not a classroom word不是課堂用語。Do not confuse it with lineman別把它跟lineman搞混, which is a player on the American-football linelineman是美式足球前鋒線上的球員, or someone who works on power lines或是修電線的工人。