| 词汇 | fly |
| 词根词缀 | 词源： 1. fly (n.) O.E. fleoge, from P.Gmc. *fleugjon (cf. O.S. fleiga, O.N. fluga, M.Du. vlieghe, Ger. Fliege "fly); lit. "the flying (insect)" (cf. O.E. fleogende "flying"), from same source as fly (v.1). Originally "any winged insect" (hence butterfly, etc.); long used by farmers and gardeners for any insect parasite. Slang adj. meaning "clever, alert, wide awake" first recorded 18c., perhaps from the notion of the insect being hard to catch (other theories, however, trace it to fledge or flash); 1990s use may be a revival or a reinvention. Fly on the wall "unseen observer" first recorded 1949. An O.E. word for "curtain" was fleonet "fly-net." Fly-swatter first attested 1917. Flypaper attested from 1851, though the item itself is said to have become commonly available in London in 1848. 2. fly (v.1) "to soar through air," O.E. fleogan (class II strong verb; past tense fleag, pp. flogen), from W.Gmc. *fleuganan (cf. O.H.G. fliogan, O.N. flügja, M.Du. vlieghen, Ger. fliegen), from PIE *pleu- "flowing, floating" (cf. Lith. plaukiu "to swim"). The O.E. plural in -n (cf. oxen) gradually normalized 13c.-15c. to -s. Notion of "flapping as a wing does" led to sense of "tent flap" (1810), which yielded (1844) "covering for buttons that close up a garment." Flying buttress is from 1669. Fly-fishing (from fly (n.)) is from 1653; while flying fish is from c.1511. Flying saucer first attested 1947, though the image of saucers for unidentified flying objects is from at least 1880s. Flying Dutchman ghost ship first recorded c.1830, in Jeffrey, Baron de Reigersfeld's "The Life of a Sea Officer." Slang phrase fly off the handle "lose one's cool" dates from 1825. On the fly is 1851. Flying colors (1706) is probably from the image of a naval vessel with the national flag bravely displayed. 3. fly (v.2) "run away," O.E. fleon (see flee). Fleogan and fleon were often confused in O.E., too. Mod.Eng. distinguishes in preterite: flew/fled. 词根记忆： n. 飞行;苍蝇v飞行;飘杨a.机敏的The bright fighter is frightened and flies upright in straight line from the right.那架明亮的战斗机受到惊吓后呈直线地从右边垂直飞起来. |
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