欠点

1. Origins, structure, and basic meaning

• Structure: 欠点 (けってん) is a noun for an undesirable feature or weakness of an object or person.
• Basic usage: 雨に弱いという欠点がある states the existence of a specific weakness in a bag, while 自分の欠点を知る makes one’s own flaws objects of awareness for growth.

2. Common pitfalls and similar expressions

• A content clause specifies the flaw
  • In 雨に弱いという欠点, the clause before という specifies what the flaw is. The bag’s lightness is not included as a flaw, nor is the whole bag itself called a flaw.