加油，助威的英文：
cheer

参考例句：

The crowd boosted the morale of the runners.
群众为赛跑选手们加油助威。

The crowd boosted the morale of the runners
人们为赛跑选手们加油助威。

cheer是什么意思：
n. 欢呼声；振奋；鼓励，激励
v. 欢呼；鼓舞

The football fans cheered their team.
足球迷们给他们的队加油。

Cheerful company shortens the miles
旅有好旅伴,不觉行程远

A cheerful wife is the joy of life
快乐的妻子是生活的乐事

Cheers! See you tomorrow night.
再见！明晚见。

her cheerful nature; a cheerful greeting; a cheerful room; as cheerful as anyone confined to a hospital bed could be.
她快乐的天性；令人愉快的问候；令人愉快的房间；像每一个在医院坐月子的人一样高兴。