If the police arrest someone, they take them away to ask them about a crime that they might have committed.

He was arrested when customs officers found drugs in his bag. 因海关人员在他的包中发现了毒品，他被捕了。

The police arrested her for drinking and driving. 她因酒后驾车被警察拘捕。

to stop or interrupt the development of something

The treatment has so far done little to arrest the spread of the cancer. 这种疗法到目前为止几乎没能抑制癌细胞的扩散。

to attract or catch someone's attention

A photo of a small boy arrested my attention. 一张小男孩的照片引起了我的注意。

the act of arresting someone

Two arrests were made, but the men were later released without charge. 有两人被捕，但后来没有起诉他们就释放了。

She was stopped outside the shop and placed/put under arrest. 她在商店外被截获归案。