尚

1. Origins, structure, and basic meaning

• Structure: 尚, read なお here, is an adverb marking a state that continues despite change or the passage of time.
• Basic usage: Both 尚不明 and 尚高い use the continuing sense still.

2. Common pitfalls and similar expressions

• Sense chosen by context
  • なお can also add information or degree, but after the contrasts in these examples it means that a state remains unchanged.
• Kanji and reading
  • Even though it is written 尚, this entry is the adverb なお, which modifies the following state expression.