5 sentences

1. 她的英语表达非常流畅。

   tā de Yīng​yǔ biǎo​dá fēi​cháng liú​chàng.

   Her English is very fluent.

   Source: Dong Chinese Dictionary

2. 他的文字优美流畅，读起来很舒服。

   tā de wén​zì yōu​měi liú​chàng, dú qi​lai hěn shū​fu.

   His writing is beautiful and fluid, making it a pleasure to read.

   Source: Dong Chinese Dictionary

3. 这篇翻译著作文字读起来很涩，不够流畅。

   zhè piān fān​yì zhù​zuò wén​zì dú qi​lai hěn sè, bù gòu liú​chàng.

   The language in this translated work is clunky and lacks flow.

   Source: Dong Chinese Dictionary

4. 这台联想电脑运行得非常流畅。

   zhè tái Lián​xiǎng diàn​nǎo yùn​xíng de fēi​cháng liú​chàng.

   This Lenovo computer runs very smoothly.

   Source: Dong Chinese Dictionary

5. 这款新手机的操作界面运行得非常流畅。

   zhè kuǎn xīn shǒu​jī de cāo​zuò jiè​miàn yùn​xíng de fēi​cháng liú​chàng.

   The user interface of this new phone runs very smoothly.

   Source: Dong Chinese Dictionary