捧场的英文：
boost

参考例句：

You scratch my hack and I’ll scratch yours.
你替我搔背，我也就替你搔背（互相捧场）。

Be a regular customer of or visitor to(sth);be a fan of(a team,etc)
经常光顾(某处);为(某队等)捧场

A published account, review, or notice, especially a favorable one.
报道一篇刊登的报道、评论或短评，尤指捧场文章 。

These base fawning lords…could not refuse their presence at this new blaze of his returning prosperity.
这些卑鄙的、阿谀的贵族…当他重新阔起来、放出新的光芒的时候，都禁不住赶来捧场了。

boost是什么意思：
v. 增加，提高，促进，支援；吹捧，宣扬；行窃；向上推起
n. 增加，提高，推动，帮助；吹捧，宣扬

The rocket boosts the astronaut into space.
这火箭能把太空旅行者送入太空。

Television advertising boosted their sales.
电视广告促进了他们的销售。

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

She was given a boost over the fence.
她被推了一把翻过了围墙。

It was a great boost to Mexican morale and pride.
这对墨西哥人的士气和自尊来说是个巨大的鼓舞。