keep your shirt on
US /kiːp jʊər ʃɜːrt ɑːn/
UK /kiːp jʊər ʃɜːrt ɑːn/

1.
manter a calma, não se zangar
to tell someone to calm down or not to get angry
:
•
Just keep your shirt on, we'll get there eventually.
Apenas mantenha a calma, chegaremos lá eventualmente.
•
Hey, keep your shirt on! There's no need to yell.
Ei, mantenha a calma! Não precisa gritar.