regulating excuse me? repetition I said ....

Answer:
________
Regulating Excuse me

excuse me is usually used to apologize for asking permission to do something to show politeness to others with the word.

Example:
=> Excuse me, may I sit next to you?
(Permisi bolehkah saya duduk disampingmu?)

Repetation I said ..
=> Pardon me?
=> I beg your pardon?

*Thanks*