the heat is on

US /ðə hiːt ɪz ɑːn/
UK /ðə hiːt ɪz ɑːn/
"the heat is on" picture
1.

a situation where there is a lot of pressure or intense scrutiny

:
With the deadline approaching, the heat is on to finish the project.
After the scandal broke, the heat was on the CEO to resign.