cup of tea, one's(redirected from not one's cup of tea)
cup of tea
1. Something one prefers, desires, enjoys, or cares about. Often used in the negative to mean the opposite. I invited you because I thought long-distance cycling was your cup of tea. When I found out that reading wasn't his cup of tea, I knew that there wasn't much of a relationship in store between us.
2. Something to be addressed or managed. She did finish all of her chores, but her homework is another cup of tea altogether.
cup of tea, one's
Something that is in accord with one's liking or taste. For example, Quiz shows are just my cup of tea, or Baseball is not her cup of tea. The origin of this metaphorical expression has been lost, but the positive version-"he's my cup of tea"-has been used since the late 1800 and the negative- not one's cup of tea-since the 1920s.