sit up
Intermediate (B1)neutral
to sit straight up, or suddenly pay attention
"She sat up in bed when she heard a noise downstairs."
Hear it in context

1 Hour of Max and Caroline Being Iconic | 2 Broke Girls
2 Broke Girls · 41:23
Sit up.

1 Hour of Max and Caroline Being Iconic | 2 Broke Girls
2 Broke Girls · 41:23
Sit up.

Why You Can’t Sleep (and How to Fix It) | Dr. Michael Grandner
FoundMyFitness · 21:14
Sit up.

1 Hour of Max and Caroline Being Iconic | 2 Broke Girls
2 Broke Girls · 41:19
[sighs] Sit up.

I WON These Icon Skins EARLY
Typical Gamer · 22:27
Everyone sit up.