Complex sentence: Now knowing where the rebels are hiding however, Tienbo takes this unique opportunity to gain a promotion and set up a trap for Junbao and the rebels by telling them that the army is on patrol and it is the best time to attack them.
Split into simpler sentences: Now knowing where the rebels are hiding however, Tienbo takes this unique opportunity to gain a promotion. He sets a trap for Junbao and the rebels by telling them that the army is on patrol and when would be the best time to attack them.