strong suit

US /ˈstrɔŋ suːt/
UK /ˈstrɔŋ suːt/
"strong suit" picture
1.

kekuatan, kelebihan

a particular aptitude or talent; a strength

:
Public speaking is not my strong suit.
Berucap di khalayak ramai bukan kekuatan saya.
Math has always been his strong suit.
Matematik sentiasa menjadi kekuatannya.