10 Moses heard the people of every family wailing at the entrance to their tents. The LORD became exceedingly angry, and Moses was troubled.

Read Numbers 11:10 Using Other Translations

Then Moses heard the people weep throughout their families, every man in the door of his tent: and the anger of the LORD was kindled greatly; Moses also was displeased.
Moses heard the people weeping throughout their clans, everyone at the door of his tent. And the anger of the LORD blazed hotly, and Moses was displeased.
Moses heard all the families standing in the doorways of their tents whining, and the LORD became extremely angry. Moses was also very aggravated.