頼んだんだ

asked

→ 頼む
phrase Uncommon #10,519
asked The ending んだ adds an explanatory or emphatic tone, like stating that this is what happened.
JA: 彼に手伝ってくれと頼んだんだ。
EN: I asked him to help.

調査を頼んだんだ時間を節約するために姉を捜しに来ただけだよ

I asked you to investigate. I only came to look for my sister to save time.

— 灼熱の魂 (2010)

だから君に頼んだんだ

That’s why I asked you.

— Брат 2 (2000)

君が私に頼んだんだ

You asked me to.

— ダーク・プレイス (2015)

お前の母ちゃんは夫殺しを俺に頼んだんだ

Your mom hired me to kill her husband.

— Carandiru (2003)

ああ打ち合わせを頼んだんだ

Oh, I asked to set up a meeting.

— PERFECT BLUE (1998)

お兄ちゃんに自転車を直してって頼んだんだ。

I asked my big brother to fix my bike.

ここで待つように、あいつに頼んだんだ。

I asked him to wait here.

彼女は彼に一人にしないでって頼んだんだ。

She asked him not to leave her alone.