| 正面 | 2100.knock 英 [nɒk]美 [nɑk]     |
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| 背面 |      释义： 谐音助记：脑壳。敲脑壳。vi. 敲；打；敲击vt. 敲；打；敲击；批评n. 敲；敲打；爆震声 例句： 1. Find Bernie and get him to knock an agreement together.找到伯尼，让他尽快拟好一份协议。 knock 敲，击拟声词，敲打东西的声音。比较click,clock. knockknock: [OE] knock is a classic onomatopoeic word: that is to say, it originated in a direct imitation of the sound it denotes. The similar Swedish knacka ‘knock’ may be related. The figurative use of the word for ‘criticize’ originated in late 19th-century America.knock (v.)Old English cnocian (West Saxon cnucian), "to pound, beat; knock (on a door)," likely of imitative origin. Meaning "deprecate, put down" is from 1892. Related: Knocked; knocking. Knock-kneed first attested 1774. Knock-down, drag-out is from 1827. Command knock it off "stop it" is first recorded 1880, perhaps from auctioneer's term for "dispose of quickly:" At the commencement of the sales, he gave every one that wanted to purchase a paper containing a description of the lands that were to be sold; and, as the sales were cried, he called over the numbers and described the land; and when it got up to one dollar and a quarter an acre, if no body bid, after it was cried two or three times, he would say, knock it off, knock it off. [U.S. Senate record, 1834] knock (n.)mid-14c., from knock (v.). As an engine noise, from 1899." |