if an ability or quality is your strong suit, you have a lot of it.
It has to be said, logic isn't Katherine's strong point.
(usually negative)
Charm is not his strong suit but at least he knows it.
(redirected from be strong suit)
be (someone's) strong suit
To be something, such as a subject, activity, or field, at which someone is particularly skilled or adept. Working with computers was never my strong suit, so this receptionist position is going to be a real challenge for me.Movie trivia is one of Sam's strong suits, so I think we should ask her to be on our pub quiz team.
be your ˈstrong point/suit
be a thing that you do well: Writing letters has never been my strong point.Logic is definitely not his strong suit.