While intelligence-gathering is as much art as science, we have proved deficient in both domains.

Although it eventually proved deficient in one crucial respect, its virtues deserve to be mentioned first.

He had tried leg-breaking for a Memphis loan shark, but again proved deficient when it came to violence.

Yet whenever he has steered in the defence trials, his helmsmanship has proved deficient.

During the late 1970s, the design was abandoned for a more traditional approach, as the open-concept design proved deficient in many aspects: notable, the leakage of noise from other classes.

Even the Actors Studio proved deficient in providing the ideal aspirant.

Stronger ontologies only tend to evolve as the weaker ones prove deficient.

Typically, young recitalists try to show their versatility by ranging widely through music history, and this can backfire when real stylistic understanding of any era proves deficient.

These plans led to the development of the American M2 mine, which was fielded in 1942 but proved deficient in combat.

Lavish in its depiction of surfaces - clothing, furniture, lighting fixtures - "Flowers of Shanghai" proves deficient in its revelation of inner lives.