With passion, start performing in and be very good (5,4)

I believe the answer is:

first rate

I'm a little stuck... Click here to teach me more about this clue!

(Other definitions for first rate that I've seen before include "Perfect" , "exceptional" , "Very good quality" , "Topping" , "excellent" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.