get down to brass tacks

基本解释

This means, to get down to brass tacks, that it could hit Alaska.
这意味着须认真对待的基本事实：它可以打击阿拉斯加。
"But when you get down to brass tacks," I interrupted, "the comparison is still a less-than comparison letter by letter."
“但是本质上，”我打断了Guru，“比较函数还是从字面上的‘小于‘比较。”
2：The heads of states spent yesterday getting acquainted, but today they get down to brass tacks and talk seriously about the General Agreement on Tariff and Trade.
他说：这些国家领导人昨天的活动是彼此熟悉，但是他们今天要谈正题，认真展开有关关税及贸易总协定的讨论。
http://www.voa365.com

You get down to brass tacks when you say, "it sounds good, but how much does it cost?"
So,if we get down to brass tacks, we can prevent ripoffs and bogus ways of earning money in that jungle out there.
To be successful, a person in business works hard and tries to get down to brass tacks.