morale
noun [ U ] uk/məˈrɑːl/ us/məˈræl/
C2 （尤指险境或困境下的）士气，精神面貌
the amount of confidence felt by a person or group of people, especially when in a dangerous or difficult situation
A couple of victories would improve the team's morale enormously. 几次胜利会极大提高队伍的士气。
There have been a lot of job losses recently so morale is fairly low. 近来裁员很多，所以士气很低。