curtain-up
US /ˈkɜːr.tn̩ ˌʌp/
UK /ˈkɜːr.tn̩ ˌʌp/

1.
tirai dibuka, permulaan persembahan
the beginning of a theatrical performance
:
•
The audience settled down as curtain-up approached.
Penonton mula tenang apabila tirai dibuka semakin hampir.
•
We need to be in our seats before curtain-up.
Kita perlu berada di tempat duduk kita sebelum tirai dibuka.