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to understand; to comprehend; to grasp; to see; to get; to follow
to become clear; to be known; to be discovered; to be realized (realised); to be found out; to make sense
I know!; I think so too!
意味が判らなかった。
I didn't understand the meaning.
この問題の答えがわかった。
I figured out the answer to this problem.
説明を聞いてやっと判った。
I finally understood after hearing the explanation.