unavailing

adj.

徒劳的，无效的，无用的；

Unavailing Concessions
PROTESTS UNAVAILING
The Waters of Waco Unavailing
The Unavailing Gift: Dryden's Roman Farewell to Mr. Oldham
Another ferocious but unavailing stand against fluoridation
Lao Naixuan, A Painstaking But Unavailing Royalist
particularly difficult, the apparent consciousness of unavailing effort on the part of the control becomes pathetic
Pulmonary metastasectomy and the use of molecular and radiological markers: is this a way to reduce unavailing surgery?
Seven principles, two unreasonable objectives, and one lingering predicament: unavailing endeavors to bring about legitimate managem...
PRIOR LITIGATION EXCLUSION BARS COVERAGE FOR COUNTY FACING LAND REGULATION CLAIMS; REASONABLE EXPECTATIONS DOCTRINE UNAVAILING IN FA...