脅かさないで

don't scare, don't frighten

→ 脅かす
verb · informal Rare #39,257
don't scare, don't frighten A request or instruction not to scare someone or something.
JA: 急に大きな声を出して脅かさないで。
EN: Don't scare me by suddenly shouting.

もう脅かさないで

Stop scaring me.

— When Marnie Was There (2014)

そんな脅かさないでくださいよ

Please don't scare me like that.

— Departures (2008)

脅かさないで

Don't scare me.

— レミーのおいしいレストラン (2007)