The University makes strenuous efforts to open up to the outside world.

Strenuous efforts had to be made to help people find new jobs.

He seemed to make a strenuous effort to put strength into his voice.

It's still dead when this book's strenuous efforts are over.

In a strenuous effort, she dragged her mind back to the present.

A strenuous effort must be made to train young people to think for themselves and take independent charge of their lives.

They also said the complex was making strenuous efforts to improve safety for its workers.

Over the next few months we must make strenuous efforts to obtain new funding.

Such was the result of my strenuous effort to resist his iron will.

Despite the strenuous efforts that were made each time to prevent them, accidents would happen.