raging stream; rapids
Refers to a violently fast, turbulent flow of water, often in a river or narrow channel. Used both literally and figuratively for a fierce current or trend.
大雨で川が激流と化した。
The river turned into a raging torrent due to the heavy rain.
彼は激流をものともせずに泳ぎ切った。
He swam through the raging rapids without flinching.
The boat was swallowed by the raging current and capsized.
During summer vacation I joined a tour that ran the rapids.
He was swept away by the raging current and called for help.