For the last seven years, as leader of the opposition, he has held center stage as the beleaguered leftist government's most assiduous adversary.

"Mrs. Bug has been most assiduous of my welfare."

The latter became the most assiduous proponent of the theory.

In fact, the visitor's real task is keeping all of the varietals straight, which can leave even the most assiduous taster gasping.

But one conflict lives brazenly on, safe from even the most assiduous reform efforts.

For two days after this Brunton was most assiduous in his attention to his duties.

With three rings and no waiting, the most assiduous onlooker is bound to overlook two-thirds of the show at any one moment.

The old man was most assiduous in seeing that the cups were kept full, and it became the sort of evening when troubles are forgotten.

The People was the most assiduous in digging the dirt.

Presidents, in fact, this one not excepted, are the most assiduous manipulators of the press.