frustrates的例句（frustrates在句子中的用法）

• The trouble is that he frustrates much easily. 他的毛病是他很容易泄气.
• His trouble is that he frustrates much easily. 他的毛病是很容易泄气.
• 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。