Accordingly, he had to intensify his effort to graduate and attain success.

With rains subsiding, rescuers are intensifying their efforts.

Those striving for change have intensified their efforts.

And it was reading these reports that encouraged me to intensify my efforts.

Since 2003 the number of penalties has soared by more than 300 per cent as local authorities have intensified their efforts to reduce the amount of litter on the streets.