流利的英文单词可以使用形容词fluent或者副词fluently，
但其实还有其他表达，
比如“流利的讲话”用英语表达可以是A rapid flow of speech，
“一位谈吐流利的人”可以表达为A man of pleasing address。
参考例句：
This fountain pen with a gold nib looks smart, writes smoothly, and will assist you in attaining success.
金笔金笔，造型气派，书写流利，助您成功。
A fluent and prolific writer, especially one who writes professionally.
语言艺术家流利而多产的作家，尤指专业写作的人。
A rapid flow of speech
流利的讲话
He speaks English fluently.
他讲英语很流利
My English is rather shaky.
我的英语不太流利。
speak fluent English
说流利的英语
How fluently she speaks!
她说得真流利!
A man of rapid [slow] speech
口齿流利[迟钝]的人
A man of pleasing address
一位谈吐流利的人
A fluent speaker(of Spanish)
(西班牙语)说得流利的人
fluent是什么意思：
adj. 流利的，文字流畅的
His work is rather fluent and felicitous.
他的作品十分流畅，措辞巧妙。
Her fluent movements surprised us.
她那协调优美的动作让我们惊奇。
He turned out to be a personable and fluent East Indian
原来他是一个神采奕奕，口齿流利的东印度人。
Fluent in English and proficient with MS Office operation
英语流利,熟悉办公软件操作
It's a brilliant movie, fluent, spectacular, breathtaking and basically, uh, wrong.
这一部光芒万丈的电影，流畅洗丽，壮观无比，慑人心魄，但从根本上说，嗯，立意是错误的。