as likely as not

US /æz ˈlaɪkli æz nɑːt/
UK /æz ˈlaɪkli æz nɑːt/
"as likely as not" picture
1.

fort probablement, très probablement

very probable; almost certain

:
As likely as not, he'll be late again.
Fort probablement, il sera encore en retard.
She'll as likely as not forget about the meeting.
Elle va fort probablement oublier la réunion.