頼まれたんだ

was asked

→ 頼む
phrase Rare #29,789
was asked A casual explanatory form meaning that someone asked the speaker to do something. 頼まれた is the passive form of 頼む (to ask or request), and んだ adds emphasis or explanation.
JA: 友達に駅まで送ってくれと頼まれたんだ。
EN: My friend asked me to drive them to the station.

そうしてくれ頼まれたんだ

I was asked to do that.

— レザボア・ドッグス (1992)

外国人ここの案内を頼まれたんだ

A foreigner asked me to show them around here.

— 灼熱の魂 (2010)

子供は僕が先に頼まれたんだ

I was asked first to take care of the child.

— 大人は判ってくれない (1959)

友達からハガキ送ってくれって頼まれたんだ

A friend asked me to send them a postcard.

彼らにこの本フランス語に訳してくれって頼まれたんだ

They asked me to translate this book into French.

モスクワ人を手助けしてくれある人に頼まれたんだ

Someone asked me to help the people of Moscow.

— Брат 2 (2000)