欲求不満をぶっつけるwork out one's frustrations: 欲求不満{よっきゅう ふまん}を晴らすlet all one's frustrations out: うっ憤{ぷん}を晴らすbottle one's frustrations: (欲求{よっきゅう})不満{ふまん}を抑える[隠す]