If you mean "I find someone attractive":
* Podoba mi się: This is the most general way to say "I like" or "I find attractive".
* Mam na ciebie ochotę: This is more informal and literally means "I have a desire for you". This would be considered more flirtatious.
If you mean "I feel like doing something":
* Mam ochotę na...: This means "I feel like having..." or "I feel like doing...". For example, "Mam ochotę na pizzę" means "I feel like having pizza".
* Chciałbym/chciałabym...: This means "I would like to...". For example, "Chciałbym/chciałabym iść do kina" means "I would like to go to the cinema".
If you mean "I'm interested in..." (as in a hobby or activity):
* Interesuje mnie...: This means "I'm interested in...". For example, "Interesuje mnie malarstwo" means "I'm interested in painting".
It's important to choose the right translation based on the specific situation and the intended meaning.