not likely
US /nɑt ˈlaɪkli/
UK /nɑt ˈlaɪkli/

1.
tidak mungkin, mustahil
used to say that something is certainly not true or will certainly not happen
:
•
“Will he apologize?” “Not likely!”
“Apakah dia akan minta maaf?” “Tidak mungkin!”
•
“Do you think they’ll win?” “Not likely, they’re playing against the champions.”
“Menurutmu mereka akan menang?” “Tidak mungkin, mereka bermain melawan juara.”