frustrates的音标？

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

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....