poker face
US /ˈpoʊkər feɪs/
UK /ˈpoʊkər feɪs/

1.
wajah poker, ekspresi tanpa emosi
an impassive expression that hides one's true feelings or intentions
:
•
Despite the bad news, she maintained a perfect poker face.
Meskipun ada kabar buruk, dia mempertahankan wajah poker yang sempurna.
•
He tried to keep a poker face during the negotiation, but I could see his excitement.
Dia mencoba mempertahankan wajah poker selama negosiasi, tetapi saya bisa melihat kegembiraannya.