big time
US /ˈbɪɡ ˌtaɪm/
UK /ˈbɪɡ ˌtaɪm/

1.
tahap tertinggi, kejayaan besar
a very important or successful level in a career or activity
:
•
She finally made it to the big time in Hollywood.
Dia akhirnya berjaya mencapai tahap tertinggi di Hollywood.
•
He's hoping to hit the big time with his new invention.
Dia berharap dapat mencapai kejayaan besar dengan ciptaan barunya.
1.
sangat, banyak
to a great extent; very much
:
•
Thanks big time for your help!
Terima kasih banyak-banyak atas bantuan anda!
•
He messed up big time on that project.
Dia silap besar dalam projek itu.