掛け持ち

かけもち
holding two or more positions concurrently

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かけもち【掛け持ち】

¶2つの学校を～で教える

teach at two schools.

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かけもち【掛け持ち】

～する hold two or more positions concurrently; have part-time jobs in two or more places.

●3 校掛け持ちで教える teach at three different schools

・彼女は同じ大学の法学部と経済学部を掛け持ちで受験した. She took the entrance exams for both the law and the economics faculties at the same university.