adj.使人沮喪的；令人泄氣的

動詞frustrate的現(xiàn)在分詞.

Sales is a frustrating profession. 銷售是一項(xiàng)令人沮喪的職業(yè)。

At best there would be a frustrating compromise. 充其量他們將做出令人泄氣的妥協(xié)。

It is frustrating to learn that all these years' efforts have come to nothing. 得知這些年的努力都付之東流真令人泄氣。