やらなくて

not do, without doing

→ 遣る
verb · informal Rare #26,564
not do, without doing Negative te-form of やる; often used with はいけない to say that something must be done, or with もいい to say that it does not have to be done.
JA: 宿題をやらなくて、先生に怒られた。
EN: I got in trouble with the teacher for not doing my homework.
Conjugation of 遣る

いつか集まって一杯やらなくてはいけないね。

We should get together for a drink sometime.

やらなくてはならないことが多かったので、私は気が重い。

I was feeling overwhelmed because there was so much I had to do.

何もここまでやらなくてもオイ!

You didn’t have to go this far, hey!

— GHOST IN THE SHELL (1995)

そんなに頑張ってやらなくてもいいよ。

You don't have to work so hard at it.

今すぐにやらなくてはいけませんか。

Do I have to do it right now?

スアンお前はやらなくていい

Suan, you don't have to do it.

— 新感染 ファイナル・エクスプレス (2016)

どうしてもやらなくてはならないことがある。

There’s something I absolutely have to do.