He had other things he wanted to do besides put goop on my face in an increasingly difficult effort to make me look good.

It would separate them as a team and make coordinated effort difficult, if not impossible.

"My fellow citizens," said President Kennedy, "let no one doubt that this is a difficult and dangerous effort on which we have set out."

My initial communication with them was difficult and subsequent efforts, more so.

And it is a difficult effort: when we excel, others must not recognize our excellence.

Moreover, Hillary had the key voice in a number of other appointments, including the embarrassingly difficult effort to find an attorney general.

"More difficult and time-consuming efforts, like those discussed in the Blaze paper are very unlikely to be employed."

However, the absence of an established road and transportation system made the effort extremely difficult for the families.

Nyerere gathers himself for the most difficult physical effort of his life.

He started to walk, but the inertia of the shoes made it a slow and difficult effort.