彼の説明は明快で、誰にでもすぐに理解できた。
His explanation was so clear that anyone could understand it right away.
その質問に対して、大臣は明快な答えを避けた。
The minister avoided giving a clear answer to the question.
論旨の明快さがこの論文の最大の長所だ。
The lucidity of its argument is this paper's greatest strength.