入れないと

if you don’t put it in

→ 入れる

phrase Rare #25,045

if you don’t put it in Depending on context, it can also imply that you need to put something in.

JA: 肉は冷蔵庫に入れないと傷むよ。

EN: If you don’t put the meat in the refrigerator, it’ll spoil.

Meat will spoil if you don't put it in the fridge.

If you don't buckle down and study harder, you won't accomplish anything.

If you don't put this in, call the dog.

— ファニーゲーム (1997)

If I don't put this in the bag too, the taxes will be awful.

— エブリシング・エブリウェア・オール・アット・ワンス (2022)