a narrow piece of leather that is used to fasten something or as a whip （用以系物或做皮鞭的）皮條 a pair of women’s knickers or men’s underpants that has only a very narrow piece of cloth, like a string, at the back （背後爲繩子一樣窄條的）内褲；丁字内褲 - (North American English, Australian English, New Zealand English) (also flip-flop British and North American English)
a type of sandal (= open shoe), typically made of plastic or rubber, that has a piece that goes between the big toe and the toe next to it 丁字褲： 一種涼鞋，通常由塑料或橡膠制成，在大腳趾和旁邊的腳趾之間穿有一塊
Word OriginOld English thwang, thwong, of Germanic origin; related to German Zwang ‘compulsion’.