Do you have a big test at school today? If so, you might not be very excited about school today. Or is today the day that your class is having a party? If that's the case, then you're probably very excited about school today.
But what if it's a regular school day? You know the kind. You go to school, learn, have lunch, learn some more, have recess, learn some more and then head home. No tests to worry about, but no fun surprises either. If you're not particularly excited about or dreading something, you might hear people say you have a lukewarm feeling about it.
You can also find recipes that will tell you to mix one part room-temperature water with two parts boiling water to make lukewarm water. If you run warm water on your wrist and it feels slightly warmer than your body temperature (but not hot), then that's probably close to lukewarm.
Do you think it's OK to feel lukewarm from time to time? People who like a particular idea will often want others to be as passionate about it as they are. Certain issues, such as political issues, may have very passionate people on both sides of the issue.
People from both sides may let their enthusiasm lead them to try to convert the lukewarm supporters to their side. At the end of the day, though, not every issue speaks in the same way to every person. If you're indifferent and have a lukewarm response, that's OK! Just be honest!