work up
Intermediate (B1)neutral
To slowly build up a feeling or to create something by working hard at it.
"We worked up quite an appetite hiking through the mountains all morning."
Hear it in context

#UFC328 Watch Along w/ UFC Hall of Famer Jens Pulver & TJ De Santis
UFC FIGHT PASS · 444:48
Make him work up.

Google Cloud Live: Next ‘26 Developer keynote deep dive
Google Cloud Tech · 135:47
I can work up to it.

The Office Turns 21 Years Old!
The Office · 6:26
yours doesn't work up to 200°.

3D Graphics: Crash Course Computer Science #27
CrashCourse · 5:23
and then increasingly work up to foreground elements.

The Honest Vet On Pet Anti-Vaxxers, Banning Frenchies, & Pet Food Myths
Doctor Mike · 95:37
like that, that we can actually work up