severe test

Today the Arab Awakening presents the kingdom with its most severe test to date.

The Arab awakening confronts the royal family with its most severe test.

Before they had gone half a mile, the boys realized that the journey they had begun would be a severe test of endurance.

A severe test comes upon the teacher in the recitation and catechising upon the lesson.

It was the last six hundred miles of the journey to Oregon that usually made the most severe test of the settlers' endurance.

In that tangled fragrant clearing was waiting a severe test for a trained farmer, not to say, for a beginner.

A more severe test came in 1902 during the great anthracite strike.