It was hard, but the constant drilling worked.

Two years of constant drilling for an invasion of England helped to a well-drilled, well-led army.

Known as a tough taskmaster, Hopman was a coach who believed in constant drilling and in the value of physical conditioning.

It is written in the spirit of a light commentary on the pointlessness of constant military drilling.

They were bulky lads, with rock muscles earned by constant drilling and exercises.

"But we have about eight hundred unsterilized ones who need constant drilling."

The training continued with constant drilling by British advisers.

Such complicated manoevres had to be instilled by constant drilling.

He said the practice of constant drilling in arithmetical skills was "absolutely crucial in the early grades.

After five days of constant drilling, the third attempt succeeds.