Jr. is a small written tag after a man's name, meaning he has the same full name as his father. Thomas Bell Sr. is the father; Thomas Bell Jr. is the son.

Jr. is Jr. 是 after a man's name加在男性姓名後面的 a small written tag一個小小的書面標記，meaning意思是 he has the same full name as his father他和父親的全名相同。Thomas Bell Sr. is the father是父親；Thomas Bell Jr. is the son是兒子。

It is not a job, not a school year, and not a size of clothes. You see it most in American names, on letters, forms, and news.

It is not a job它不是職稱、not a school year不是年級、and not a size of clothes也不是衣服的尺寸。in American names在美國人名裡、on letters, forms, and news在信件、表格和新聞上，You see it most你最常看到它。

Daughters almost never get Jr. When the father dies, some sons drop Jr.; many keep it for life because that is how their bank papers and school papers are written.

Daughters女兒 almost never get Jr.幾乎不會加 Jr.。When the father dies父親過世後，some sons drop Jr.有些兒子會拿掉 Jr.；many keep it for life很多人則一輩子留著，because因為 that is how那就是 their bank papers and school papers他們銀行文件和學校文件 are written寫的樣子。

Though actually, junior as a normal English word also means “younger” or “lower in rank” — a junior doctor, junior year — and that is not what this Jr. after a name is doing. Here it only marks the son with the father's name.

Though actually不過其實，junior as a normal English word junior 當一般英文單字時，also means也是指 “younger”「較年輕」 or “lower in rank”或「位階較低」——a junior doctor資淺醫師、junior year三年級——and that is not而那不是 what this Jr. after a name is doing名字後面這個 Jr. 在做的事。Here在這裡，it only marks它只標示 the son with the father's name跟父親同名的那個兒子。