be (someone's) strong suit(redirected from been her 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.
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be your ˈstrong point/suitbe a thing that you do well: Writing letters has never been my strong point. ♢ Logic is definitely not his strong suit.
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