1. not one’s choice or preference; not something that someone likes or is good at

1. Please show me another hat. This one’s not my cup of tea.

2. Thanks for inviting me, but ballet isn't really my cup of tea.

3. You three visit the museum without me. Looking at fussy old paintings is not my cup of tea.

4. The man JoAnn met at the party was nice, but he wasn’t her cup of tea.