How do you say Sorry to disturb you in Japanese?

"I'm sorry, but I love you" would be申し訳ないけど、愛してるよ (moushiwake nai kedo, aishiteru yo) in Japanese.

申し訳ない (moushiwake nai) - I'm sorry

けど (kedo) - "but"

愛してるよ (aishiteru yo) - "I love you"