忠心

1. Origins, structure, and basic meaning

• Structure: 忠心 (ちゅうしん) combines loyalty 忠 and heart 心 to denote a devoted state of mind.
• Basic usage: 忠心 denotes a loyal or devoted state of mind toward someone.

2. Common pitfalls and similar expressions

• Loyalty and its expression
  • An action may display or fulfill that loyalty after 忠心を, but one such action is not identical to the whole disposition.