play it cool
US /pleɪ ɪt kuːl/
UK /pleɪ ɪt kuːl/
1.
garder son calme, faire l'indifférent
to act in a calm, unemotional way so that people think you are not anxious or excited
:
•
When she saw her ex-boyfriend, she tried to play it cool.
Quand elle a vu son ex-petit ami, elle a essayé de garder son calme.
•
Just play it cool and don't show them you're nervous.
Garde ton calme et ne leur montre pas que tu es nerveux.