良好

1. Origins, structure, and basic meaning

• Structure: 良好(りょうこう) describes a condition or relationship as good or satisfactory.
• Basic usage: It is used for relatively objective evaluations, such as inspection results or relationships between people.

2. Common pitfalls and similar expressions

• Modifier and predicate
  • 良好な関係 modifies a noun with な, while 状態は良好だ states the condition.
• Condition versus liking
  • 良好 evaluates a condition. It is not used to mean personal liking in the way 好き is.