[] the amount of confidence and enthusiasm, etc. that a person or a group has at a particular time士气；精神面貌◆ways of keeping employee morale high保持员工士气高昂的方法⨁high / low / poor morale士气高昂／低沉／消沉⨁to boost / improve / raise morale鼓舞／振作／提高士气⨁to damage / lower / undermine morale损伤／降低／削弱士气