を習います

learns; studies

→ を
phrase Rare #30,275
learns; studies A polite expression meaning to learn or take lessons in a subject. The を marks what is being learned, such as a language, skill, or school subject.
JA: 私は週に一度、ピアノを習います。
EN: I take piano lessons once a week.

この頃の子学校で水泳を習います

These days, children learn how to swim at school.

私は音楽を習います

I learn music.

私たちは学校で英語を習います

We learn English at school.

殺しを習います

I learn how to kill.

— コーカサスの虜 (1996)

来年私はフランス語を習います

I will learn French next year.

学校では読み書きそろばんを習います

At school, we learn reading, writing, and arithmetic.