apprehend of

Police are advised of the need to "rear scan" — look over their shoulder — and warned not to attempt to apprehend suspects while still "engaged with the cycle".

同时，它还向警察们强调了“后视”——就是扭过头从肩膀上看过去——的重要性，并警告他们当还“骑在自行车上时”不要试图逮捕嫌疑犯。

In July, Liu Boquan, a prominent hotel owner in Dongguan, garnered plenty of praise — and plenty of headlines — when he took to the skies in his helicopter to apprehend a band of thieves.

在七月份，刘伯全（音），一个杰出的宾馆老板，收获了很多赞扬——还上了很多头条——就因为他把直升机开上天来抓一伙贼。

I don't fully apprehend the meaning of this poem.

我并没有完全理解这首诗的含义。