既可以是可數(shù)名詞，也可以是不可數(shù)名詞。cheer作“歡呼，喝彩”解時是可數(shù)名詞；作“振奮，歡欣”解時是不可數(shù)名詞。例句：The audience greet his speech with loud cheer.聽眾對他的演講報以高聲歡呼。

cheer，英語單詞，名詞、動詞，作名詞時意為“ 歡呼，喝彩聲；愉快，歡樂的氣氛；讓人開心的理由；加油歌，加油詩；（喜慶場合供應(yīng)的）酒菜”。作動詞時意為“歡呼，加油；安慰，鼓勵；（使）高興起來”。

We all cheered as the team came on to the field.

球隊入場時我們都為之歡呼。

A great cheer went up from the crowd.

群眾爆發(fā)出一陣熱烈的歡呼聲。

The results of the test were very cheering.

化驗結(jié)果令人歡欣鼓勵。

You need something to cheer you up ─ I know just the thing!

你需要點什么使你高興起來，我知道什么正合你的需要。

A great cheer went up from the crowd.

觀眾爆發(fā)出一陣熱烈的歡呼聲。

來源：高三網(wǎng)