v (1)欢呼，喝彩(give shouts of joy，praise，support or encouragement to(sb))[I，T+n]：The crowd～ed and clapped as the hero appeared/the runner won the race.当英雄出现/赛跑运动员获胜时，人群欢呼鼓掌。～the winner/the new champion/ the football team/the speaker/the news为那个优胜者/新冠军/足球队/讲演者/消息欢呼;〖同〗hail;

(2)使……鼓舞(高兴)(give support，encouragement，comfort，hope to(sb);hearten)[T+n]：The words/The thought/His visit～ed the family.这些话/这个想法/他的来访使这家人很高兴。Although tired and hungry，the soldiers～ed one another as they marched.虽然战士们又累又饿，却边行进边互相鼓舞。A vase of roses～ed the room.一盆玫瑰花使房间里充满了生机。be greatly～ed by the good news/sb's warmth and affection深受好消息/某人的热忱和深情的鼓舞;be～ed that the sun has come out因太阳出来了而兴高采烈;〖同〗brighten，gladden，encourage，comfort，inspire;〖反〗sadden，discourage，depress;

(3)给……加油(encourage and urge sb to make greater efforts by shouting)[T+n， T+n+adv(on)]：The fans～ed their favourite horse/the runner (on).运动迷们给他们最喜欢的马/那赛跑运动员加油。

cheer up (v adv)(使)高兴(振作)起来(vt & vi)：The good news/drink/music～ed him up.那好消息/酒/音乐使他振作起来。I～ed up at the news.听到那个消息我振作起来了。Do～up and try to smile.振作起来呀，笑一笑!

→′cheering adj 令人鼓舞的;n 欢呼，喝彩;

n(1)欢呼，喝彩(shout(s) of joy，praise，approval，support or encouragement)[C]：the～s of the crowd 人群的欢呼声;Three～s for the Queen!向女王三呼万岁! hear a great～go up 听见震耳的欢呼声响起来了;give sb a loud～/three～s for sb为某人大声欢呼/为某人三次喝彩;

(2)愉快，兴致(happiness and hopefulness;good spirits)[U]：be full of～兴致勃勃;Be of good～.(旧用法)抖起精神来!a time of great～尽情欢乐的时刻;The party sparkled with～.晚会洋溢着愉快的气氛。〖同〗happiness，joy，gladness;

→′cheerless adj 无精打采的;′cheerlessly adv 无精打采地;′cheery adj 高兴的，快活的;͵cheeri′o interj 再见;cheers interj 干杯;谢谢，再见;′cheer-leader n 啦啦队长;′cheerful adj;

【说明】cheer sb (up)是指给原来精神不振或情绪不高的人以安慰、支持或鼓舞，使振作起来。如原来情绪不低，则要用gladden(使……高兴)。