兄に

to/by one's older brother

→ 兄
phrase Uncommon #11,457
to/by one's older brother The particle に has different roles depending on the construction: it can mark the person affected by an action, the agent in a passive sentence, comparison (as in 兄に比べれば, “compared with one's older brother”), or the object of feelings such as admiration. 兄 means “older brother” and may refer to the speaker's or another person's older brother depending on context.
JA: 兄に電話しました。
EN: I called my older brother.

彼女は英語を話すのが得意兄に勝るとも劣らぬくらい

She's good at speaking English—every bit as good as her older brother.

私は作文間違いを兄に直してもらった

I had my older brother correct the mistakes in my composition.

ビルは彼の兄にはまったく似ていない

Bill doesn’t look anything like his older brother.

彼は兄にそっくりだ

He looks just like his older brother.

兄にドイツたくさんの友達がいました

My older brother had many friends in Germany.

兄に自転車を修理してもらった

I had my older brother repair my bicycle.

札幌に住んでいる兄に手紙を送るつもりだ

I’m planning to send a letter to my older brother who lives in Sapporo.

兄に乗せていってもらえるように頼んでみます

I’ll ask my older brother if he can give me a ride.

彼女は兄に勝るとも劣らぬくらい英語が上手だ

She is every bit as good at English as her older brother.

トムにはえくぼがないが、彼の兄にあります

Tom doesn't have dimples, but his older brother does.

私はよく兄にいたずらをしたものだ

I used to play pranks on my older brother.

兄にドイツ人の友達がたくさんいました

My older brother had a lot of German friends.

私は良く兄に間違えられる

People often mistake me for my older brother.