main effort

The main effort had to be made by the French to the south.

Your main efforts should now focus on establishing a firm home base.

Their data looks at the global picture from 1950, where the main effort took place around the European coast.

During the war, the main French effort was on land.

But, they said, his main effort now would be to get a higher price for the company.

"Family services is one of our main efforts to keep people from coming back."

At first, the club's main effort was concentrated on football.

"That's where the main effort will be focused over the next days."

So I think the main effort should be on making tobacco less attractive to young people.

The main effort must therefore be to educate young people.