Muddy Stream
noun
A muddy stream is a muddy stream!
だくりゅう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
濁流に飲み込まれそうになったのを、彼が救ってくれたのです。
He rescued the things that were gulped down by the muddy stream.