3 sentences

1. 他边说边用手比划，形容那条鱼有多大。

   tā biān shuō biān yòng shǒu bǐ​hua, xíng​róng nà tiáo yú yǒu duō dà.

   He gestured with his hands while speaking to describe how big the fish was.

   Source: Dong Chinese Dictionary

2. 那几个孩子正跟着老师比划武术动作。

   nà jǐ gè hái​zi zhèng gēn​zhe lǎo​shī bǐ​hua wǔ​shù dòng​zuò.

   The children are following the teacher to practice martial arts moves.

   Source: Dong Chinese Dictionary

3. 有什么话不能好好说，非要动手比划吗？

   yǒu shén​me huà bù néng hǎo​hǎo shuō, fēi yào dòng​shǒu bǐ​hua ma?

   Can't you just talk things over without getting your hands involved?

   Source: Dong Chinese Dictionary