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