The blow on the head must have been struck from behind.
As he said the word, a blow was struck upon the door.
Something seemed to call them back, although no blow had been struck.
And they had a chance to strike a blow for their country.
He never seemed to get a chance to strike a blow.
But did I have any other way to strike a blow at them?
Have I ever asked you to strike a blow against, anyone?
For the English, things started to go wrong before the first blow had been struck.
Clearly such a blow must have been struck from behind.
He was still my brother, and I didn't want to be the one to strike the first blow.