bo-peep
/ˌbəʊˈpiːp/noun
1
- mass noun a game of hiding and suddenly reappearing, played with a young child躲躲猫。
2
- Austral./ NZ informal a quick look〈澳/新西兰, 非正式〉一瞥。
词源
early 16th cent. (in sense 1)： from bo, an exclamation intended to startle someone （compare with BOO） + the verb PEEP1 . Sense 2 dates from the 1940s.