This appeared to underline the tenuous nature of the pact, but several opposition leaders denied that.

It underlines the fragile nature of sports, especially a sport whose primary players are animals.

But arrangements here underlined the still tenuous nature of the organization.

If that comes as a surprise, it helps underline the see-saw nature of Russian football's finances in recent years.

His appointment underlined the international nature of the College and its links with government and business.

Yesterday's game underlined the fleeting nature of cycles.

A meeting today at the State Department underlined the transitory nature of current discussions.

You underlined the fragile nature and environment of the Arctic.

However, I must underline the extraordinary nature of the vote in this House.

Two pass-interference calls in the fourth quarter underlined the subjective nature of the penalty and the large role it can play.