Mosiah 21:2

And it came to pass that after many days, the Lamanites began again to be stirred up in anger against the Nephites; and they began to come into the borders of the land round about.

After many days, the Lamanites became angry with the Nephites again. They began to come into the lands around them.

After many days, the Lamanites grew angry with the Nephites again and began pushing into the borders of their land.