3 sentences

1. 他对各种复杂的编程语言都能运用自如。

   tā duì gè zhǒng fù​zá de biān​chéng yǔ​yán dōu néng yùn​yòng zì​rú.

   He can use various complex programming languages with ease.

   Source: Dong Chinese Dictionary

2. 我很惊讶，平时沉默寡言的他竟然能在台上自如地演讲。

   wǒ hěn jīng​yà, píng​shí chén​mò​guǎ​yán de tā jìng​rán néng zài tái shàng zì​rú de yǎn​jiǎng.

   I was surprised that he, who is usually a man of few words, could speak so naturally on stage.

   Source: Dong Chinese Dictionary

3. 穿上这件宽松的衣服，他感到行动自如。

   chuān​shang zhè jiàn kuān​sōng de yī​fu, tā gǎn​dào xíng​dòng zì​rú.

   Wearing these loose clothes, he felt he could move freely.

   Source: Dong Chinese Dictionary