play it cool

US /pleɪ ɪt kuːl/
UK /pleɪ ɪt kuːl/
"play it cool" picture
1.

يتصرف بهدوء, يحافظ على رباطة جأشه

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.
عندما رأت صديقها السابق، حاولت أن تتصرف بهدوء.
Just play it cool and don't show them you're nervous.
فقط تصرف بهدوء ولا تظهر لهم أنك متوتر.