as likely as not
US /æz ˈlaɪkli æz nɑːt/
UK /æz ˈlaɪkli æz nɑːt/

1.
很可能, 多半
very probable; almost certain
:
•
As likely as not, he'll be late again.
很可能,他又要遲到了。
•
She'll as likely as not forget about the meeting.
她很可能會忘記這次會議。
很可能, 多半
very probable; almost certain