not be somebody's cup of tea

be not (one's) cup of tea

To not be something one prefers, desires, enjoys, or cares about. Thank you for the invitation, but long-distance cycling just isn't really my cup of tea. When I found out that reading wasn't his cup of tea, I knew that there wasn't much of a relationship in store between us.

See also: cup, not, of, tea

not be somebody’s cup of ˈtea

(informal, spoken) not be the kind of person, thing or activity that you like: He invited me to the opera but it’s not really my cup of tea. OPPOSITE: be (right) up your street

See also: cup, not, of, tea