- pin-up (adj.)
[pin-up 词源字典]
- 1670s, from pin (v.) + up (adv.). From 1940, in reference to pictures of "winsome young ladies in daring undress" ("Life," May 6, 1940) such as soldiers pinned up on their dugout walls, etc. The thing itself is older than the name. The noun in this sense is recorded from 1943.[pin-up etymology, pin-up origin, 英语词源]