v.使不成功( frustrate的第三人称单数 )，挫败，使受挫折，令人沮丧...

frustrates的音标：...

What frustrates him is that there's too little money to spend on the project.使他懊恼的是，可用于这个项目的资金太少。His trouble is that he frustrates much easily.他的毛病是很容易泄气.The trouble is that he frustrates much easily.他的毛病是他很容易泄气....