verb · to go into the water or put something into the water

救生员迅速下水去救那个溺水的孩子。

verb · to travel downstream or move with the current

这条航线上，走下水的船比走上水的船快得多。

verb · to launch a newly built ship into the water

这艘国产航母今天正式在上海下水。

noun · the edible internal organs of butchered animals, including the viscera and tripe

这道菜是用猪下水做的，味道很地道。

to fall into bad ways, be led astray, or become involved in corruption

他因为贪图小利，结果被那些人拉下水了。