verb · to be caught or apprehended by the authorities, especially a criminal or fugitive

潜逃多年的罪犯终于在昨天落网。

verb · to be caught in a net, specifically referring to animals like birds or fish

鱼儿落网后在网中拼命挣扎。

verb · of a ball in sports such as tennis, to strike the net instead of clearing it

他的那一记发球不幸落网了。