[C] shout of joy, praise, support or encouragement 欢呼声; 喝采声: the cheers of the crowd 群众的欢呼声 * Three cheers for (ie Shout `hurray' three times to show admiration for) the bride and groom! 向新娘﹑ 新郎三次欢呼! 
[U] (arch 古) happiness and hopefulness 欢愉与乐观: Christmas should be a time of great cheer. 圣诞节应是欢乐的时刻.# `cheer-leader n (esp US) person who leads the cheering by a crowd, esp at a sporting event 带领观众欢呼的人; （尤指体育比赛中的）啦啦队长.