A weigh-in is the official weighing of a competitor before a contest, done to prove they are inside the weight limit for their class. It is a fixed event, not just an action: in boxing, wrestling, judo, taekwondo and MMA it happens the day before or the morning of the fight, in front of officials, usually with cameras and often with the two fighters standing face to face afterwards.

一次weigh-inA weigh-in 是is 在比賽前對選手的正式過磅the official weighing of a competitor before a contest，目的是證明done to prove 他們的體重在該量級的限制之內they are inside the weight limit for their class。它是It is 一個固定的活動a fixed event，不只是一個動作not just an action：在拳擊、摔角、柔道、跆拳道和綜合格鬥裡in boxing, wrestling, judo, taekwondo and MMA 它發生在比賽前一天或當天早上it happens the day before or the morning of the fight，在裁判官員面前in front of officials，通常有攝影機usually with cameras，而且often 之後兩位選手會面對面站著with the two fighters standing face to face afterwards。

In horse racing, the jockey is weighed with the saddle — there the weigh-in makes sure each horse carries a fair load.

在賽馬裡In horse racing，騎師會連馬鞍一起被過磅the jockey is weighed with the saddle——在那裡there 過磅是為了確保the weigh-in makes sure 每匹馬承載的重量公平each horse carries a fair load。

Because of the drama around it, the word carries more than measurement: fighters starve and dehydrate themselves to "make weight," and a fighter who is over the limit at the weigh-in can lose the bout before it begins.

因為過磅這件事很有戲劇性Because of the drama around it，這個詞承載的不只是量體重the word carries more than measurement：選手fighters 會挨餓、脫水starve and dehydrate themselves 為了「達標」to "make weight,"，而and 過磅時超重的選手a fighter who is over the limit at the weigh-in 可能在比賽開始前就輸了can lose the bout before it begins。

English also uses `weigh-in` loosely for any formal weighing where the number matters and people are watching — at a gym programme, a diet club, or a school sports day.

英文也會鬆散地用weigh-inEnglish also uses `weigh-in` loosely 指任何正式的過磅for any formal weighing，在數字重要、又有人在看的場合where the number matters and people are watching——像健身房課程at a gym programme，減重社團a diet club，或學校運動會or a school sports day。

Write it with a hyphen when it is the noun; the plural is weigh-ins. It comes from the two-word verb `weigh in`, which still lives on its own with a related meaning and a quite different one: `weigh in` can mean to be weighed before a contest ("he weighed in at 72 kilos"), and it also means to join a discussion with your opinion, often forcefully — "the boss weighed in with a few complaints." That second sense is the one you will hear most often in ordinary news and office English.

當它是名詞時要用連字號Write it with a hyphen when it is the noun，寫成weigh-in；複數the plural 是is weigh-ins。它源自It comes from 兩個字的動詞weigh inthe two-word verb `weigh in`，這個動詞本身仍然在用which still lives on its own 有一個相關的意思with a related meaning 和and 另一個意思差很多a quite different one：可以指it can mean 比賽前被過磅to be weighed before a contest（像"he weighed in at 72 kilos"），而and 它也可以指it also means 加入討論、發表意見to join a discussion with your opinion，而且往往語氣強硬often forcefully——像"the boss weighed in with a few complaints."。第二個意思That second sense 才是is the one you will hear most often 你在一般新聞和職場英文裡最常聽到的in ordinary news and office English。