お気きを確たしかに

expression

keep calm; don't do anything rash; stay composed

A polite, somewhat formal set phrase used to encourage someone who is upset or panicking to stay calm and not act impulsively. Often used when consoling or warning someone in distress.

• そんなに慌あわてないで、お気きを確たしかに。

  Don't panic like that; keep calm.

• お気きを確たしかに。今いまは冷れい静せいになることが大たい切せつです。

  Stay composed. It's important to stay calm right now.