n.挫折；失败；坎坷
名词的frustration复数形式.
A series of great frustrations awaits them. 一连串的巨大挫折在等待着他们。
She has to release her frustrations somewhere. 她不得不在某个场合发泄她的不满情绪。
He had a lifetime of frustrations. 他一生坎坷。
