事で

about; because of, by doing; because of doing

→ 事
phrase Common #6,953
about; because of Used to refer to a matter or issue, or to give it as the reason for something.
JA: その事で話がある。
EN: I have something to discuss with you about that.

その事で話がある

I need to talk to you about that.

— 荒野の用心棒 (1964)

我々はこの事で彼をからかった。

We teased him about it.

彼の顔つきを見て私の事で怒っていると思った。

Judging by the look on his face, I thought he was angry with me.

彼はその仕事の事でひどく困っている。

He is having a great deal of trouble with that job.

トム、この事でなんか言ってた?

Did Tom say anything about this?

なんで燕条がオレの事で心配するんだ?

Why would Tsubamejo worry about me?

— The Garden of Sinners: Paradox Spiral (2008)

この事で何も腹を立てるには及ばない。

There’s no need to get angry about this.

彼は食事の事で彼女に不平を言った。

He complained to her about the meal.

その事で彼と議論しても無駄だ。

There's no point arguing with him about it.

彼女の事で私が一番感心するのは無邪気な事です。

What impresses me most about her is her innocence.

彼らは些細な事でお互いに喧嘩をした。

They argued with each other over trivial matters.

その事で責めるの?

Are you blaming me for that?

— ウィッチ (2016)

この事ではあなたに同意できません。

I can't agree with you on this matter.

彼女はつまらない事ですぐ気分を害する。

She gets offended easily over trivial things.

彼とつまらない事で喧嘩をした。

I had an argument with him over something trivial.

この事で彼をいくらほめてもまだ足りない。

I can't praise him enough for this.

お金の事では彼女は几帳面です。

She is meticulous when it comes to money.

つまらぬ事で喧嘩をするな。

Don't fight over trivial things.

しかし置いていく友の事でまだ私の心は落ち着かない

But my heart is still unsettled about the friend I’m leaving behind.

— スター・トレックII カーンの逆襲 (1982)

phrase Rare #27,919
by doing; because of doing Follows a verb in its plain form to turn the action into a noun phrase, then presents it as a means or a reason. The context determines which meaning fits.
JA: 一生懸命働く事で夢を実現できる。
EN: By working hard, you can make your dream come true.

コンクリートは中に鋼鉄の棒を入れる事で補強される。

Concrete is reinforced by embedding steel rods in it.

君は式を助ける事で死にたいんじゃないのか

Don't you want to die by helping with the ceremony?

— The Garden of Sinners: Paradox Spiral (2008)

一生懸命働く事で夢を実現できる。

You can achieve your dreams by working hard.

学校をサボった事で、父は僕をあざができるほどたたいた。

Because I skipped school, my father beat me until I was bruised.

彼はお金を盗んだ事で罰を受けた。

He was punished for stealing money.

自己暗示武器を持つ事で己を変革しているのか

Is carrying a self-suggestion weapon transforming you?

— The Garden of Sinners: Paradox Spiral (2008)

米国人と戦いを始めた事で運命が決定した

By starting a war with the Americans, our fate was sealed.

— ラスト、コーション (2007)