英语词汇knock up的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

knock up

1660s in sense of "arouse by knocking at the door," from knock, v.. However it is little used in this sense in American English, where the phrase means "get a woman pregnant" (1813), possibly ultimately from knock "to copulate with" (1590s; compare slang knocking-shop "brothel," 1860).

Knocked up in the United States, amongst females, the phrase is equivalent to being enciente, so that Englishmen often unconsciously commit themselves when amongst our Yankee cousins. [John Camden Hotten, "The Slang Dictionary," London, 1860]

词汇	knock up
词根词缀	Online Etymology Dictionary knock up v. 1660s in sense of "arouse by knocking at the door," from knock, v.. However it is little used in this sense in American English, where the phrase means "get a woman pregnant" (1813), possibly ultimately from knock "to copulate with" (1590s; compare slang knocking-shop "brothel," 1860). Knocked up in the United States, amongst females, the phrase is equivalent to being enciente, so that Englishmen often unconsciously commit themselves when amongst our Yankee cousins. [John Camden Hotten, "The Slang Dictionary," London, 1860]
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