形容詞 fluent:

1. smooth and unconstrained in movement
   同義詞：fluid, liquid, smooth
2. expressing yourself readily, clearly, effectively
   同義詞：eloquent, facile, silver, silver-tongued, smooth-spoken

1. She speaks fluent and idiomatic French.
   她說得一口又流利又地道的法語。
2. She likes him all the better for his fluent spoken English.
   正因為他操一口流利的英語，她更愛他。
3. She is fluent in English.
   她熟練掌握英語。
4. Her fluent movements surprised us.
   她那協(xié)調(diào)優(yōu)美的動作讓我們驚奇。
5. He speaks fluent German.
   他操一口流利的德語。

flu.ent

adj.（形容詞）

Able to express oneself readily and effortlessly:
流暢的：能夠欣然地和毫不費(fèi)力地表達(dá)自己的：
例句：
a fluent speaker; fluent in three languages.
能言善道的演講者；流暢地說三種語言

Flowing effortlessly; polished:
流利的：不費(fèi)力地表達(dá)的；訓(xùn)練有素的：
例句：
speaks fluent Russian; gave a fluent performance of the sonata.
說一口流利的俄語；流利地演奏這支奏鳴曲

Flowing or moving smoothly; graceful:
線條暢流的：順暢地流動或移動；優(yōu)美的：
例句：
a yacht with long, fluent curves.
一條修長而曲線流暢的游艇

Flowing or capable of flowing; fluid.
暢流的：暢流的或能夠暢流的；液態(tài)的

來源：
Latin fluôns fluent- [present participle of] fluere [to flow] * see bhleu-
拉丁語 fluôns fluent- [] fluere的現(xiàn)在分詞 [流動] *參見 bhleu-

【引伸】
flu.ency
n.（名詞）
flu.ently
adv.（副詞）