大嵐

1. Origins, structure, and basic meaning

• Structure: 大嵐 (おおあらし) is a severe storm capable of causing damage. It appears as a cause and an avoided hazard.
• Basic usage: A night storm fells a tree; a ship enters harbor to avoid a storm.

2. Common pitfalls and similar expressions

• Storm causing damage and danger avoided by a vessel
  • で gives the cause of falling; を避ける gives the reason for changing course. The ship does not enter the storm.