I think they'd have left the room if they had been sure we wouldn't come to blows.
Here we were upon the point of coming to blows.
If this came to blows, they would stand or fall together.
For a moment I was certain they were going to come to blows.
For a moment it seemed they might come to blows.
If you can talk to her without coming to blows, do so.
But we did not come to blows over these differences.
The young men were on the point of coming to blows.
It's about to come to blows again, so I step in between them.
However, the trip does not work out too well and the two men come to blows.