Why were the writer and his batchmates ‘thunder-struck’ when Quelch tried to correct Corporal Turnbull?

the-man-who-knew-too

#1

Corporal Turnbull had the reputation of being a tough man. His tough demeanour (behaviour) and courage drew admiration from all. He was not a man to be trifled with. So, when Quelch tried to correct him, everyone was ‘thunder-struck’.