cheer的形容词用英语怎么说?

例句：

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

球队入场时我们都为之欢呼。

A great cheer went up from the crowd.

群众爆发出一阵热烈的欢呼声。

The results of the test were very cheering.

化验结果令人欢欣鼓舞。

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

你需要点什么使你高兴起来，我知道什么正合你的需要。