そんな事は

such a thing

→ そんな
phrase Uncommon #14,554
such a thing A phrase meaning “such a thing” or “that sort of thing,” with は marking it as the topic or contrasting it with something else. Often followed by a comment or verb.
JA: そんな事は気にしなくていいよ。
EN: You don't need to worry about such a thing.

そんな事はすぐに忘れてしまいなさい

Forget about that right away.

そんな事はいい

Never mind about that.

— いまを生きる (1989)

私が君だったらそんな事はしないだろうと彼は私に言った

He told me that if he were me, he wouldn't do such a thing.

そんな事は気にしないでください

Please don't worry about that.

子供にだってそんな事は分かるよ

Even a child knows that.

そんな事はしない

I wouldn't do such a thing.

— 荒野の用心棒 (1964)

いやそんな事は

No, it’s not like that…

— ファイト・クラブ (1999)

そんな事は言わない

Don't say things like that.

— さらば、わが愛/覇王別姫 (1993)

そんな事は問題じゃないんだ

That's not the issue.

— いまを生きる (1989)

そんな事は望めない

You can't expect that.

— 灼熱の魂 (2010)

そんな事はいいの手遅れになる前に会いたいだけ

Forget about that—I just want to see you before it’s too late.

— サイコ (1960)

分別のある人なら人前でそんな事は言わないだろう

A sensible person wouldn't say such a thing in public.

そんな事は自分でしなさいお母さんが娘に言いました

Her mother told her daughter to do that sort of thing herself.