What does 'her cup of tea' mean?

[Honny]

English Language Tests, Intermediate level

ESL/EFL Test #202 "Idioms about Food", question 3

Keira felt like tennis was 'her cup of tea'. What does 'her cup of tea' mean? ..........

(a) That it's not the right thing for her
(b) That it's a perfect match for her
(c) That she should practice more

English Language Tests, Intermediate level

ESL/EFL Test #202 "Idioms about Food", answer 3

Keira felt like tennis was 'her cup of tea'. What does 'her cup of tea' mean? That it's a perfect match for her.

Correct answer: (b) That it's a perfect match for her
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explain "someone's cup of tea"

[Conchita]

If something is your cup of tea, it means that you like it or are good at it:

The negative form of the phrase is more popular:

- Flying is just not his cup of tea.
- Opera isn't everyone's cup of tea.