難癖

1. Origins, structure, and basic meaning

• Structure: 難癖, read なんくせ, denotes faultfinding or an unreasonable complaint that exaggerates a minor flaw.
• Basic usage: It describes seizing on a minor verbal slip or continuing to object without offering an alternative.

2. Common pitfalls and similar expressions

• Valid criticism versus faultfinding
  • It is a negative habit of exaggerating a small flaw to attack someone, rather than constructive criticism aimed at a solution.