"They have tied me to the stake; I cannot fly, but bear-like I must stay the course." He feels like a bear in a bear-baiting pit.
Animals approaching an enemy might possibly hiss, yell, bark, growl, or attempt to bite. Furthermore, they will probably approach slowly and in a defensive posture.
it is a line of fire that goes round a castle when an enemy is approaching
to hear where the horses were approaching from, it could be the enemy or could just be somebody they are waiting for
We depend upon the alertness of the guard, to detect any approaching enemy.
The blitz sirens went off when radar detected enemy bombers approaching.
Shell Shock
Radar was used to warn of approaching enemy planes.
Sonic energy can be transferred through the ground ; for example , many Indians could tell if a locomotive was approaching by placing their ear to the track long before any sounds could be heard through the air .
Radar (Radio Detection and Ranging) was the technology developed for detection of enemy air power.
It provided a first line of defense and a great look out area to see approaching enemy soldiers. It also provided safety from incoming weapons as they couldn't clear the height of the wall
The purpose of a castle is defense. The higher a castle more land can be seen from the ramparts, therefore, if any enemy is approaching they will be seen sooner. Another advantage is that it can better be seen from a distance and that is a show of power.
All or most infantrymen are worried as soon as they're in their foxholes. All or most tank crewmen are worried as soon as they've entered enemy territory. All or most Aircrewmen are worried as soon as they're approaching target/or over it. All or most Sailors are worried as soon as they reach enemy waters.