hidegvér! означает в английский

Keep cool!▼◼◼◼[UK: kiːp kuːl] [US: ˈkiːp ˈkuːl]

Keep your shirt on!▼◼◼◻[UK: kiːp jɔː(r) ʃɜːt ɒn] [US: ˈkiːp ˈjɔːr ˈʃɝːt ɑːn]

Come! come!▼[UK: kʌm kʌm] [US: ˈkəm ˈkəm]

Keep your hair on!▼◼◼◼noun
[UK: kiːp jɔː(r) heə(r) ɒn] [US: ˈkiːp ˈjɔːr ˈher ɑːn]