frustrating

adj.

产生挫折的，使人沮丧的，令人泄气的；

v.

使不成功( frustrate的现在分词 )；挫败；使受挫折；令人沮丧

1. Sales is a frustrating profession.
   销售是一项令人沮丧的职业。
2. This peculiar and often frustrating experience is an effect of relative motion.
   这种奇特的而又经常使人沮丧的经历就是相对运动所产生的效应。
3. At best there would be a frustrating compromise.
   充其量他们将做出令人泄气的妥协。
4. It is frustrating to learn that all these years' efforts have come to nothing.
   得知这些年的努力都付之东流真令人泄气。

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Curving and frustrating flatland
The older adult driver with cognitive impairment: "It's a very frustrating life"
Evaluation and treatment of chronic intractable rectal pain--a frustrating endeavor
Toddler regulation of distress to frustrating events: Temperamental and maternal correlates.
Method and apparatus for frustrating the unauthorized copying of recorded data
Two-chain spin ladder with frustrating second-neighbor interactions
'It's Really Frustrating:' Sikh Canadian Dismayed by Extremism Allegations
Ba2LnSbO6 and Sr2LnSbO6 (Ln = Dy, Ho, Gd) double perovskites: lanthanides in the geometrically frustrating fcc lattice.
Automated vehicle tracking and service provision system