21.   If they sense trouble just over the horizon, they can respond dramatically before it ever comes into plain sight.

22.   Sensing trouble, the driver quickly reversed and got away.

23.   Sensing trouble, the driver quickly reversed and started to pull away.

24.   When they sense trouble, they use radios to summon rangers, who are on constant anti-poaching patrol.

25.   Women and children bore the brunt of the attack as male family members, sensing trouble, started running helter-skelter.

26.   Janzen sensed trouble when Kite and Haas got hot.