keep one's chin up 不要气馁 不要灰心 保持斗志 挺起胸膛 振作起来 是鼓励人的. 她总是保持斗志.她总是昂首挺胸. eg1 Keep your chin up,stick to it. 别灰心,挺起你的胸膛,坚持下去. 2 Keep your chin up.Nothing is impossible to a willing heart. 昂首挺胸.有志者,事竟成. 3 When her husband died,the woman had to keep her chin up for the sake of the children. 丈夫死后,那妇人为了她的孩子不得不鼓起生活的勇气.