His eloquence has a great power of attraction.

His insight greatly contributed to the success of the business.

We need more labor force to make this project successful.

He demonstrated strong willpower to overcome the difficulty.

This team has a high cohesion.

His work is full of vigour.

His fighting strength is very high.

He was working all day on the farm, using his labor.

His thinking ability is very high.

Even as he gets older, his virility does not diminish.