A baby-talk word for urinating. As a verb: "Do you need to wee-wee?" As a noun, it means the urine itself, or the act — "He did a wee-wee." Adults use it when talking to small children, and small children use it about themselves; an adult saying it about themselves is joking.

A baby-talk word這是幼兒用語，for urinating指尿尿。As a verb當動詞用的時候："Do you need to wee-wee?"「Do you need to wee-wee?」你需要尿尿嗎 As a noun當名詞用的時候，it means the urine itself, or the act指尿液本身，或指這個動作——"He did a wee-wee."「He did a wee-wee.」他尿尿了 Adults use it when talking to small children大人跟小小孩講話時會用，and small children use it about themselves小小孩自己講自己時也會用；an adult saying it about themselves is joking大人如果拿來說自己，就是在開玩笑。

Mostly British and Commonwealth English; American families more often say "pee-pee" or "tinkle". In some places, especially American children's speech, "wee-wee" can also mean a little boy's penis, so the word is not identical everywhere.

Mostly British and Commonwealth English主要是英式和大英國協英語的用法；American families美國家庭 more often say比較常說 "pee-pee"「pee-pee」噓噓 or "tinkle"或「tinkle」噓噓。In some places在有些地方，especially American children's speech尤其是美國小孩的說法裡，"wee-wee"「wee-wee」 can also mean也可能指 a little boy's penis小男生的生殖器，so the word is not identical everywhere所以這個詞在不同地方意思不完全一樣。

Written with a hyphen (wee-wee), sometimes as one word.

Written with a hyphen寫法上會加連字號 (wee-wee)（wee-wee），sometimes as one word有時候也會寫成一個字。

The plain adult words are "urinate" (formal, medical), "pee" (normal casual), "go to the toilet" (polite everyday), and in Britain a short "wee" on its own does the job — "I need a wee."

The plain adult words are大人一般會用的字是 "urinate"「urinate」排尿 (formal, medical)（正式、醫學用語）、"pee"「pee」尿尿 (normal casual)（普通口語）、"go to the toilet"「go to the toilet」上廁所 (polite everyday)（禮貌的日常說法），and in Britain而在英國 a short "wee" on its own does the job單獨一個「wee」就可以表達這個意思——"I need a wee."「I need a wee.」我要尿尿。