We'll only do it once— if at all.

我们就是干也只会干一次。

While the original aim was to raise the hull if at all feasible, the operation was not given the go-ahead until January 1982, when all the necessary information was available.

虽然最初的目标是在可行的情况下提高船体，但是直到1982年1月所有必要信息都具备时，这项行动才得到批准。

Work at home if at all possible.

如果可以的话，在家办公。

Remember us-if at all-not as lost.

记住我们吧——若全非——迷失了的。

Go on business trips if at all possible.

如果可以的话，进行商务旅行。

But try to avoid that if at all possible.

但只要有可能，就尽量不要这样做。

How this might work (if at all) is unclear.

这步工作可能怎么走(如果有的话)目前尚不清楚。

My advice is to avoid these if at all possible.

我的建议是尽可能避免这一情况。

Some women are choosing to marry later if at all.

有些妇女选择晚婚甚至不结婚。

If so, rate cuts are unlikely before 2009, if at all.

如果这样的话，在09年之前降息不太可能，即使降息也不会将很多。

Many Romani children attend school patchily if at all.

大多数罗姆儿童都不上学，要说有也很少。

How is she going to be held accountable, if at all?

她将如何负有责任感哪怕只是一点点？

Take at least two days a week off if at all possible.

最少每周休息两天如果可能的话。

But that money is unlikely to be returned soon, if at all.

但是这笔钱短期内不太可能返还，如果有的话。

Greenhouse gas emissions might not decline much, if at all.

温室气体的排放可能不会减少太多，如果不是毫无改观的话。

How can parents in father-absent homes compensate, if at all?

在父爱缺失的家庭，父母该如何补偿孩子？

The various sub-elements occur in the listed order (if at all).

各种子元素以列出的顺序（如果有的话）出现。

If at all possible, testing should involve non-production systems.

如果可能的话，测试应该仅涉及非生产系统。

If at all possible, choose a room with a great east facing window.

如果可以的话，就选一间窗朝东向的房间。

So the extension has to be defended if at all as a welfare measure.

因此要为延长救济期间的做法辩护，就要先确定它总体上是增进公共福祉的措施。

How, if at all, should the Department of Homeland Security be restructured?

如果要重组国土安全部的话，应该如何重组？

In many projects, formal requirements are done as an afterthought, if at all.

在许多项目中，正式的需求毕竟是事后产生的想法。

The database doesn't own these files, so it won't function correctly, if at all.

数据库不拥有这些文件，因此根本无法正确工作。

TVs, computers and other gizmos should not be in your bedroom if at all possible.

卧室中尽量不要放电视机，电脑和其它一些小玩意儿。

For one thing, no one is sure whether the polls will take place on time-if at all.

首先就是没有人能确定投票能否准时进行——如果有投票的话。

Most, I suspect, have no idea that what theypost is only partly their own, if at all.

我猜想，如果猜想是真的话，多数人都不知道他们发布的内容只有部分是属于他们的。

It is unknown when a large release of radiation would occur, if at all, at this point.

如果真的出现大量的核泄漏，此时，对于它何时出现还不为人所知。