給你提供牛津高階英漢雙解的解釋，供你參考！

uncle

1

the brother of

your mother or father; the husband of your aunt

舅父；叔父；伯父；姑父；姨父

Uncle Ian 伊恩叔叔

I"m going to visit my uncle.

我要去看我舅舅。

I"ve just become an uncle (= because your brother/ sister has had a

baby).

我剛當上叔叔（或舅舅）。

2

used by

children, with a first name, to address a man who is a close friend of their

parents （兒童用語，稱呼父母的同輩朋友）叔叔，伯伯

see Bob