| 词汇 | jack-in-the-box |
| 词根词缀 | 词源： 1570, originally a name for a sharp or cheat, "who deceived tradesmen by substituting empty boxes for others full of money" [Robert Nares, "A Glossary of Words, Phrases, Names, and Allusions," London, 1905]. As a type of toy, it is attested from 1702. |
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