しなくて

not do (and); without doing

→ 為る
し do + なく Negative + て Te-form (conjunctive form)
verb · informal Uncommon #14,505
not do (and); without doing Negative te-form of する; it links to another clause or expression.
JA: 今日は掃除をしなくて、ゆっくりします。
EN: I'm not cleaning today, so I'll take it easy.
Conjugation of 為る
Imperfect
Present
Desiderative future
Irrealis
Quotative
Potential present
Desiderative present
Potential future
Subjunctive present
Imperative present
Jussive

野宿はしなくてよさそうね

Looks like we won’t have to sleep outdoors.

— Arrietty (2010)

トムが事故でケガしなくてよかったよ。

I'm glad Tom wasn't injured in the accident.

そうしなくてよかった。

I'm glad I didn't do that.

昨日の夜は電話しなくてごめんね。

Sorry I didn't call last night.

そんなこと心配しなくてだいじょうぶだよ。

You don't need to worry about that.

返事はしなくても構いませんよ。

You don't have to reply.

そんなことしなくてもよかったのに。

You didn't have to do that.

いいよ、気にしなくて。

Sure, don't worry about it.

電話しなくて…いいんだ

You don't have to call...

— ふたりのベロニカ (1991)

奴らがあれを・・サム奴らが指輪を・・まずはお詫びしなくてはいけませんが

They took that... Sam. They took the ring... First, I must apologize, but...

— ロード・オブ・ザ・リング/王の帰還 (2003)

あなたがただ手紙を書くだけで、あなたの父親は多くのことを心配しなくて済むだろう。

If you would just write a letter, your father wouldn’t have to worry about so many things.

掃除洗濯しなくてすむぞ

I won’t have to clean or do laundry!

— 天空の城ラピュタ (1986)

そんなに心配しなくても大丈夫なんじゃないかな。

You probably don't need to worry that much.

今日は勉強しなくてよろしい。

You don't need to study today.

俺のことは心配しなくて平気だ

You don't need to worry about me.

— グッドフェローズ (1990)