苦衷

1. Origins, structure, and basic meaning

• Structure: 苦衷 is read くちゅう and is a noun for painful circumstances that are difficult to express.
• Basic usage: It is used when recognizing or explaining the painful circumstances behind an unwanted decision or inability to cooperate.

2. Common pitfalls and similar expressions

• Emotion and circumstances
  • It focuses more on the person's inner distress and unavoidable circumstances than on a general difficulty.