They only escalate to a more public forum if talks prove unsuccessful.

Without guidance, patients adopt common-sense strategies that generally prove unsuccessful in alleviating fatigue.

Should that prove unsuccessful, however, the commission may propose legislation.

This might eliminate the EU's risk of losing money should the shot prove unsuccessful.

Thus neither of us will be suspected nor accused should the affair prove unsuccessful.

You know we agreed to adopt this course if my efforts should prove unsuccessful.

I hope that such evil persons prove unsuccessful.

When non-surgical attempts prove unsuccessful or are contraindicated, surgical endodontic therapy is needed to save the tooth.

Men air foolish anyway. She was beginning to acknowledge that all her efforts to gain her end might prove unsuccessful.

But the introduction of the most salutary articles, either as provisions or medicines, will generally prove unsuccessful, unless supported by certain regulations.

Herbert returned to his ship full of one scheme, of which he had not spoken to Traverse lest it should prove unsuccessful.

If on the other hand it should prove unsuccessful, it would remain a standing reproach to the financial policy of the Republican party.

We now began to draw near to the enclosure, and I was beginning to fear that our hunt was to prove unsuccessful that day.

Strong purgatives administered with other drugs on or after the calculated date frequently bring about delivery, whereas previous attempts of this kind prove unsuccessful.

The call was answered by many; others hung back, dreading the consequences should the outbreak prove unsuccessful, as the more sagacious knew it must be.

Efforts for the abatement of these exactions have thus far proved unsuccessful.