keep (one's) shirt on

Translations
сохранять спокойствие
Keep your shirt on, the meeting will start soon.
Сохраняй спокойствие, встреча скоро начнется.
Definitions
To remain calm and not become angry or agitated, especially in a stressful situation.
Words
keep

verb
сохранять
one

article or possessive pronoun
свой
s
притяжательная форма
shirt

noun
рубашка
on

adverb
надетой