Not my cup of tea.
Not my cup of tea.
Not my cup of tea" is a charming British expression used when something does not appeal to one’s tastes or preferences. It directly relates to the idea of personal preference in tea, which varies greatly from person to person—just as hobbies, movies, or books might not be to someone's liking. This phrase is perfect for politely declining or stating one's disinterest without causing offense.
It's not my cup of tea.
It is not something I like or enjoy.
Science fiction isn't my cup of tea.
I do not enjoy science fiction.
He knew classical music was not his cup of tea but tried to enjoy the concert.
He knew he did not enjoy classical music but tried to appreciate the concert.