The short form of "you are". Used constantly in speech and in relaxed writing; in formal writing people often spell it out as "you are". It works for one person or several, since English "you" covers both.

The short form of "you are"這是「you are」的縮寫。Used constantly in speech and in relaxed writing口語和輕鬆的寫作裡很常用，in formal writing people often spell it out as "you are"正式寫作裡則常常拼出完整的「you are」。since English "you" covers both因為英文的「you」兩種都指，it works for one person or several可以用在一個人或好幾個人身上。

This is one of the most misspelled words in English — even native speakers write "your" by mistake, and you will see it wrong on signs and online every day.

This is one of the most misspelled words in English這是英文裡最常被拼錯的字之一 — even native speakers write "your" by mistake連母語人士都會不小心寫成「your」，and you will see it wrong on signs and online every day招牌和網路上每天都看得到有人寫錯。

The test that always works: if you can replace it with "you are" and the sentence still makes sense, it takes the apostrophe. "You're late" = "You are late", so it needs the apostrophe. "Your bag" cannot become "you are bag", so it does not.

The test that always works永遠管用的判斷方法是：if you can replace it with "you are" and the sentence still makes sense如果換成「you are」句子還是通，it takes the apostrophe就要加撇號。"You're late" = "You are late""You're late"等於「You are late」，so it needs the apostrophe所以要加撇號。"Your bag" cannot become "you are bag""Your bag"沒辦法換成「you are bag」，so it does not所以不加撇號。

In speech the two sound almost identical, which is exactly why the writing goes wrong.

In speech the two sound almost identical口語裡這兩個字聽起來幾乎一樣，which is exactly why the writing goes wrong這正是寫的時候會出錯的原因。

It appears in many fixed friendly phrases: "You're welcome", "You're kidding", "You're right".

It appears in many fixed friendly phrases很多固定的親切用語裡都會出現它："You're welcome""You're welcome"、"You're kidding""You're kidding"、"You're right""You're right"。