如火如荼的英文：
[Literal Meaning]
like/fire/like/the white flower of reeds
to be as red as a raging fire and as white as the reed flowers

[解释]
荼：茅草的白花。像火那样红，像茶那样白。大规模的行动气势旺盛，气氛热烈。

[Explanation]
great in strength and impetus

[例子]
经过几个月的准备，大规模的人口普查活动就如火如荼地开展起来了。

[Example]
After a-few-month preparation, a large scale population census was conducted like a raging fire.

[英文等价词]
in full swing

Like fire and flowering rush
如火如荼

On the eve of the poll, campaigning was bitter.
在投票前夕，竞选活动如火如荼。

The novel was selling like a bomb.
那本小说卖得如火如荼。

The flowers on the hillside are growing vigorously and are extremely beautiful.
山坡上的鲜花如火如荼,格外艳丽。

The party organization is moving into top gear as the election approaches.
随着选举临近,党组织的活动也如火如荼.

The private banking business is on a roll.
私人银行业务正发展得如火如荼。

Our work on the new bridge went ahead like wildfire.
我们的建桥工程如火如荼地开展起来了。

In Maine, the Republican Party is holding a caucus.
在美国缅因州，共和党团会议的投票活动正在如火如荼地开展。