反之的英文：
on the other hand...
conversely...

On the opposite side; on the opposing side
对面;相反之侧

while violent acts by bad ones were most often dark or sinister.
反之，对反面人物暴力行为的刻画却是邪恶、灾难性的。

Otherwise, Party A will be responsible to compensate party B's losses.
反之如乙方权益因此遭受损害，甲方应负赔偿责任

The sentence quoted from Espinas, however, provides a better starting point.
反之，上面所引的埃斯皮纳斯的命题却给了我们一个比较牢固的支点。

alternatively, if the energy, w, is specified, the appropriate distance, D, can be evaluated from equation
反之，若威力W是已知的，就可以从公式算出相应的距离D。

On the other hand, if an instructor failed to take over when he should, a ghastly midair collision could result
反之，如果教练员在该接手时不去接手，那么就会造成可怕的空中撞机。

When revenue exceeds expenses, net income occurs, otherwise net loss occurs.
当收入超过费用时,将导致净收益,反之,为净损失。

conversely, if we rely firmly on the masses, we shall overcome all difficulties and reach our goal step by step
反之，如果我们紧紧依靠群众，我们就将战胜一切困难，一步一步地达到自己的目的。

Fortunately, cloning research is not a technique for reproductive purposes, but to cure human diseases.
幸运的是，克隆研究不是一项以复制为目的的技术，反之，而是为了治疗人类的疾病。

Conversely, if expenses exceed revenue, the income summary will have a debit balance representing net loss.
反之,如果费用超过收入,收益汇总账户将有一个代表净损失的借方余额。

conversant with
1.精通的;熟悉的

This is a sense of conversancy.
这是一种亲切感。

The converse is not necessarily true.
反过来就不一定正确。

What is affixation, conversion and compounding?
什么是词缀法、 转化法和合成法？

The weather forms the staple of their conversation.
天气构成他们谈话的主要内容。