Undies is the friendly, slightly babyish word for underwear — pants, knickers, the things you wear next to your skin.

Undies Undies is the friendly, slightly babyish word for underwear是「underwear內衣褲」比較親切、有點童稚感的說法 — pants, knickers, the things you wear next to your skin就是內褲之類貼身穿的東西。

It is affectionate and light, the word a parent uses with a small child ("go and put clean undies on"), or friends use with each other to take the seriousness out of a slightly awkward topic. Adults do use it, but always casually and usually with a smile; you would not find it in a shop sign, a laundry label, or anything written down officially — those say "underwear" or "underclothes".

It它 is affectionate and light親暱又輕鬆, the word a parent uses with a small child是爸媽對小孩會用的字 ("go and put clean undies on")（「go and put clean undies on去穿乾淨的小內褲」）, or或 friends use with each other to take the seriousness out of a slightly awkward topic是朋友之間用來讓有點尷尬的話題不那麼嚴肅。Adults大人 do use it也會用, but但 always casually and usually with a smile總是很隨性，通常還帶點笑意; you你 would not find it in a shop sign, a laundry label, or anything written down officially不會在店家招牌、洗衣標籤，或任何正式書面文件裡看到它 — those那些地方 say "underwear" or "underclothes"會寫「underwear」或「underclothes」。

It is always plural in shape, like trousers and glasses: "my undies are in the wash", never "an undie". The word is more British and Australian than American, and it leans a little towards women's and children's underwear, though it is not strictly limited to those.

It它 is always plural in shape, like trousers and glasses的形式永遠是複數，跟trousers（褲子）、glasses（眼鏡）一樣: "my undies are in the wash"「my undies are in the wash我的小內褲在洗」, never "an undie"絕對不會說「an undie」。The word這個詞 is more British and Australian than American比較英式、澳式，美式比較少見, and而且 it leans a little towards women's and children's underwear比較偏向指女性和小孩的內衣褲, though不過 it is not strictly limited to those也不是完全限定在這兩種。

Though actually, this whole corner of English is nervous — English speakers have invented a great many soft, joking words for underwear precisely because the plain word feels a bit exposed, and undies is one of those.

Though actually不過其實, this whole corner of English is nervous英文在這一塊整個都有點彆扭 — English speakers英語使用者 have invented a great many soft, joking words for underwear發明了非常多委婉、開玩笑式的內衣褲說法 precisely because the plain word feels a bit exposed就是因為那個直白的詞讓人覺得有點太赤裸, and而 undies is one of those undies正是其中之一。