rise to the occasion

US /raɪz tu ðə əˈkeɪʒən/
UK /raɪz tu ðə əˈkeɪʒən/
"rise to the occasion" picture
1.

to show that you can deal with a difficult situation successfully

:
Despite the pressure, she managed to rise to the occasion and deliver a brilliant speech.
When the team needed him most, the captain truly rose to the occasion.