Matching Pairs IdiomsOnline version Learn more about idioms and practice. by Emely Sofia Hidalgo Sandoval 1 I don't give monkey´s 2 She’s a picnic short of a sandwich. 3 Not my cup of tea 4 Bite the bullet. 5 Your guess is as good as mine Used when one doesn't know the solution or answer to a problem instead of admitting 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. To not care at all about something Not what one likes or is interested in.