Relier Pairs IdiomsVersion en ligne Learn more about idioms and practice. par Emely Sofia Hidalgo Sandoval 1 Your guess is as good as mine 2 She’s a picnic short of a sandwich. 3 Not my cup of tea 4 I don't give monkey´s 5 Bite the bullet. To not care at all about something Used when one doesn't know the solution or answer to a problem instead of admitting Not what one likes or is interested in. To indicate in a humorous way that you think someone is very stupid Decide to do something difficult or unpleasant that one has been putting off or hesitating over.