if at all

基本解释

Make all namespace declarations up in the start tag of the document element if at all possible.
如果可能，将所有名称空间的声明都编排到文档元素的开始标记中。
The novelist and agent gave me their impressions of the device and how it will, if at all, change the way readers consume books.
小说家和代理人给出了他们对这个设备的想法，谈论了它，如果可能，对读者在书籍上的消费方式的影响。
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？

Senator Lodge continued. "A literacy test will bear very lightly, if at all, upon English-speaking immigrants or Germans,Scandinavians and French.
I would be grateful if you would wait until that point if at all you possibly can. It just makes the whole thing work a little easier and it prevents that drop in the pit of my stomach when I see half of the class leave.
我将感激不尽,这样会好一点,以免我看到半数人走掉时,心情会受到影响。
耶鲁公开课 - 1945年后的美国小说课程节选
That's not a scientific term but the same psychologists were interested in studying how quickly you can-- if at all how long does it take to figure out somebody's sexual orientation?
这不是一个科学术语,这两位心理学家也很有兴趣研究,你能多快…,如果对方真的是同性恋,就能猜出他们的性取向？
耶鲁公开课 - 心理学导论课程节选

Typically this occurs (if at all) while writing the article not before you start.
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