He has adopted a heavy German accent for some reason.
The voice on the other end said "wait" in a heavy accent.
"I do not speak English," she said with a heavy accent.
No one knew a word he was saying, because of his heavy Irish accent, but there wasn't a sound in the room.
Speaking in a heavy accent, she said that he no longer lived there.
A woman's voice with a heavy accent called softly from the other side of the door.
For some reason the guard turns out to have a heavy French accent.
From her heavy accent I had no doubt about that.
She says a guy with some kind of heavy accent dropped it off.
"I have seen nothing but the shadows," came the answer in a heavy accent.