Sentence examples for have often frustrated from inspiring English sources

But the divisions within the White House have often frustrated those who wanted a sharper focus on manufacturing.

His dribbling abilities from the bench have been mesmerising, but have often frustrated teammates when not leading to a concrete shot or assist.

Most have shown promise, but low uptake, poor adherence, and slow rollout have often frustrated the best efforts of public health authorities.

Difficulties in disentangling the impact of policies from other observable or unobservable factors have often frustrated the effort to uncover policy effects on fertility.

Although these conventional methods are commonly used for protein refolding and quite progress has been made, disulfide bond formation and peptidyl-prolyl cis-trans isomerization have often frustrated the successful refolding of insoluble recombinant proteins containing cysteine and proline in multiple numbers [ 5, 6].

But the president himself has often frustrated these efforts.Mr Mbeki questions figures that show the epidemic has taken hold in South Africa.

Her deliberate approach to crisis management and refusal to get too far ahead of German public opinion has often frustrated her euro zone peers and foreign allies.

While The New York Times has often frustrated me with articles best termed homo-clueless, this was a nice change of pace.

For all the bonhomie now, past hopes for "future-oriented" relations have often been frustrated.

Mr. Hinckley's efforts to win additional freedom have often been frustrated by disclosures.

And efforts to win systemic changes through court orders have often been frustrated by failures of enforcement.