瞭然

1. Origins, structure, and basic meaning

• Structure: The spelling is 瞭然, read りょうぜん, and it combines 瞭, meaning clear or distinct, with 然, marking such a state. It functions as a noun or adjectival expression.
• Basic usage: The basic sense of 瞭然 is a state in which a difference, condition, or fact is unmistakably clear.

2. Common pitfalls and similar expressions

• The common patterns 一目瞭然 and 瞭然としている
  • Both examples use the form 瞭然. 一目瞭然 means obvious at a glance, while 瞭然としている says that a condition stands clearly revealed.
• Side-by-side results and a table of cost changes
  • 二つの結果を並べれば違いは一目瞭然だ。 — Put the two results side by side, and the difference is obvious at a glance.
  • 表を見ると費用の増減は瞭然としている。 — The table makes the increase and decrease in costs perfectly clear.