I am sorry for that just now.
何度もごめんなさい
Pardon me for interrupting you.
Excuse me a moment.
Excuse me, but...
And on that note, please excuse me.
I'm sorry to trouble you, but …; Excuse me, but ….
謝ります
I will apologize.
うるさくてごめん
I must apologize.
Excuse me a minute.