Are we talking about food? 1) I don't fancy it. 2) I can't face it. 3) I can't eat it 4) I don't like it If it's a person or object 1) He/she/it's not my taste 2) I don't fancy him/her/it 3) I'm not attracted to him/her 4) I don't like it/him/her.

I don't care for that. It's not my favorite.

It's not my cup of tea.