在太吵的地方，我们常常用手势交流。

Zài tài chǎo de dìfang, wǒmen chángcháng yòng shǒushì jiāoliú.

In very noisy places, we often use hand gestures to communicate.

他用手势让我安静一点。

Tā yòng shǒushì ràng wǒ ānjìng yìdiǎn.

He used a hand gesture to tell me to be quieter.

导游先比划了几个简单的手势，让大家记住集合的信号。

Dǎoyóu xiān bǐhuà le jǐ gè jiǎndān de shǒushì, ràng dàjiā jìzhù jíhé de xìnhào.

The tour guide first demonstrated a few simple hand gestures so everyone could remember the meeting signal.