work at
Intermediate (B1)neutral
To keep trying hard to get better at something or to make something happen.
"If you keep working at your pronunciation, you'll sound much more natural within a few months."
Hear it in context

Easy English Conversation: “What do you do?”
English with Emma · engVid · 3:04
I work at...

Simple yet 5000 years missed ?
Mathologer · 11:13
Flat out with work at uni work at the moment

Chris Hayes on What the Algorithm Did to the News | The Big Interview
Uncanny Valley by WIRED · 28:35
who work at large health insurance companies work at hospitals.

AI Whistleblower: "They Are Hiding What Is Really Happening" | Jeffrey Ladish
The Diary Of A CEO · 51:31
You work at Anthropic?

Why everyone is quitting social media
Matt D'Avella · 14:10
I work at Patreon.