I have a complaint to make. ...Sorry to bother you but...I'm sorry to say this but...I'm afraid I've got a complaint about...I'm afraid there is a slight problem with...Excuse me but there is a problem about...I want to complain about...I'm angry about...
1. I'm afraid I've got a complaint about your child.He's too noisy .
2. I'm afraid there is a slight problem with the service in this hotel.
3.Excuse me but you are standing on my foot.
4. I want to complain about the noise you are making.
5. I'm angry about the way you treat me.
Dan lain2 :)
Kalau kurang jelas bisa di tanyakan lagi :D