1580s, "flowing freely" (of water), also, of speakers, "able and nimble in the use of words," from Latin fluentem (nominative fluens) "lax, relaxed," figuratively "flowing, fluent," present participle of fluere "to flow, stream, run, melt," from extended form of PIE root *bhleu- "to swell, well up, overflow" (cognates: Latin flumen "river;" Greek phluein "to boil over, bubble up," phlein "to abound"), an extension of root *bhel- (2) "to blow, inflate, swell;" see bole. Used interchangeably with fluid (adj.) in 17c. in the sense "changeable, not rigid." Related: Fluently.
例文
1. He is a fluent speaker of Hebrew.
彼は流暢なヘブライ語を話す。
2.She 's fluent in French and German.She also speaks a little Italian.彼女のフランス語とドイツ語は流暢で、イタリア語も少し話せます。
3.She 's fluent in Polish.
彼女のポーランド語は流暢だ。
4.She speaks fluent and idiomatic English.
彼女は流暢で本場の英語を話す。
5.Long practice enabled that American to speak fluent Chinese.