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to take lessons in; to be taught; to learn (from a teacher); to study (under a teacher); to get training in
子供の頃からピアノを習っていた。
I've been taking piano lessons since childhood.
来月から英語を習いたい。
I want to start learning English next month.
先生に書道を習えばもっと上手になる。
If you learn calligraphy from a teacher, you'll improve more.