One cogwheel engages with the next.

齿轮一个个啮合在一起。

It is a movie that engages both the mind and the eye.

这是一部令人赏心悦目的影片。

If the dog's hackles are up, gives a low decibel growl, or engages in a predatory, stalking posture, then there is probably a danger in the environment.

如果狗颈部的毛都竖立起来，或是它发出低分贝咆哮，或是呈掠夺、跟踪姿势，那么周围肯定存在危险。

He industriously engages in unostentatious hard work.

他勤勤恳恳，埋头苦干。

This farm engages in animal-breeding and agriculture.

这个农场农牧业都搞。