長ちょう姉し

noun

eldest sister; oldest sister

Formal or written term for one's own eldest sister or the eldest sister in a family. In casual speech, 一番上の姉 or 長女 are more common.

• 私わたしの長ちょう姉しは医い者しゃです。

  My eldest sister is a doctor.

• 長ちょう姉しが結けっ婚こんして家いえを出でました。

  My eldest sister got married and left home.