After weeks of practice, she finally has her lines down pat for the play.

数週間の練習の後、彼女はついに劇のセリフを完璧に覚えた。

He's been working on that presentation for so long, he must have it down pat by now.

彼はそのプレゼンテーションに長い間取り組んできたので、今頃は完璧にマスターしているはずだ。