keep a cool head
сохранять спокойствие в трудной ситуации
"I know the situation is difficult and stressful, but I want you to keep a cool head."
Другие идиомы:
- keep in touch (with someone)
- keep one's opinions to oneself
- keep time
- have rocks in one's head
- get it into one's head to (do something)
- put ideas into (someone's) head
- hit the nail on the head
- keep a secret
- keep on (doing something)
- keep one's eyes open
- keep abreast (of something)
- keep to oneself
- get a head start
- keep (someone or something) in mind
- off the top of one's head