Her presence in the home became a source of friction.
But the sale price has been an ongoing source of friction between city and state officials.
This was a major source of friction and debate between the two groups.
There are, in any case, other sources of friction between them.
That's a source of friction at a very trying time.
My sister had always been a source of friction with Pete.
Trade had become a serious source of friction between the two countries.
The issue has been a source of friction for more than a year now.
It had been a source of friction between them for years.
Noise seems to be the most common source of friction.
