震える

1. Origins, structure, and basic meaning

• Structure: 震える is read as ふるえる and is an intransitive verb for the body or part of it trembling from cold, fear, tension, or another cause.
• Basic usage: The trembling part takes が, as in 手が震える, while a cause may take に or で.

2. Common pitfalls and similar expressions

• Difference from 揺れる
  • 揺れる broadly means swaying or shaking; 震える suits fine trembling and bodily reactions to cold or emotion.
• Intransitive and causative forms
  • Use 震える for trembling on its own and 震わせる when something causes another thing to tremble.