His gesture indicated a caution.是什么意思？

His gesture indicated a caution.

他的手势表示警告。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

gesture

n. 手势，姿势，举止，动作，〔古语〕仪态，[计算机]光笔指令；vt. 做手势；vi. 用手势表现，表达或指

例句
He's living in a monastery in a gesture of atonement for human rights abuses committed under his leadership...
为了弥补自己当权时对人权的践踏，他以出家来谢罪。

indicated

adj. 表明的，指示的；v. 标示( indicate的过去式和过去分词 )，指示，象征，表明或暗示…的可能性；

例句
Speeches delivered by Mr Dewar and Mr Wallace indicated their views were converging...
杜瓦先生和华莱士先生发表的讲话表明他们的观点越来越接近了。

caution

n. 小心，警告，〈英〉担保，〈口〉须警惕的事或人；vt. 警告，提醒；

例句
Extreme caution should be exercised when buying part-worn tyres...
购买部分磨损轮胎时要格外当心。