Dictionary / Vocabulary / 姉ちゃん
ねえちゃん
(one's) older sister; (one's) elder sister; girl
なるべく姉ちゃんにも周りにも迷惑をかけずに、事態の早期解決をなんとか頼むぞ。
I want you to somehow resolve the situation as soon as possible, causing the least amount of trouble for my sister and those around us.
俺の姉ちゃんはウルトラマンが好きだ。
My sister likes Ultraman.
姉ちゃんが結婚してから3年が経った。
It's been three years since my sister got married.