The boys were engaging in a full-fledged bottle war, seemingly oblivious to their surroundings.

Despite the legendary team work of their fathers, the two boys often engage in rivalry.

The two boys are infallibly on good terms with each other and never engage in sibling rivalry.

A cute little boy like me, engaged in critical unspecified dispopulative behaviors?

Soon the boys were engaging in all sorts of underwater acrobatics.

One boy engaged in vociferous debates on Mideast policy with another blogger, a senior a year ahead of him.

The boy engaged one of the ten forward gears, and the truck began to creep ahead.

Boastful young boys engage in games of sexual conquest that begin earlier than ever.