"I see you read a lot," he said, gesturing towards / at the wall of books.

“看来你看了很多书，”他指着那一大摞书说。

He gestured to us that it was time to go.

他示意我们该走了。

She gestured her disappointment by laying her hand on her forehead.

她把手放在额头上，以表示失望。

gesture language

手势语；身势语

He made a rude gesture at the driver of the other car.

他向另一辆车的司机做了一个不雅的手势。

Handshake is a gesture of friendship.

握手是一种友好的表示。