morale
/məˈrɑ:l; ?@ -ˈræl; mə`ræl/ n[U]
state of confidence, enthusiasm, determination, etc of a person or group at a particular time 士气; 精神状态
affect/raise/boost/lower/undermine sb's morale 影响[提高/鼓舞/降低/损害]某人的士气
The news is good for (the team's) morale. 这消息对提高（全队的）士气大有好处.