激流

1. Origins, structure, and basic meaning

• Structure: 激流 (げきりゅう) is a noun for a violently fast-flowing current or torrent.
• Basic usage: 激流に流される marks the force that nearly sweeps away a small boat, while 激流を避ける makes the torrent what rescuers avoid by moving along the bank.

2. Common pitfalls and similar expressions

• Sweeping force and avoided hazard
  • 激流に is the current causing involuntary movement, whereas 激流を is a hazard deliberately avoided. The rescue team did not travel by riding the torrent.