right first time

基本解释

Leslie:Right first time. Are you thinking what I'm thinking?
莱斯利：第一次说对了。不知道你想的是不是跟我一样？
blog.sina.com.cn
"That's good," the UI expert smiled, "because we rarely get it right first time."
“很好，”UI专家笑道，“因为我们通常没法一次做对。”
Taxonomists do not always get it right first time, of course, and what looked like one species may rightly later be seen as two.
当然，物种分类学不可能一步到位，以前曾被归为是同一物种的生物，按新的定义就有可能就被修正2个物种。

Freedman says spending more money now to help the public defender's office may ensure the courts can process cases right the first time.
So realize you don't have to get it right the first time, but you have to listen and watch to what actually those problems are and that is one of the roles your teaching fellows play.
请认识到，并不是要你第一次就把事情搞对，但是你必须听听，看看,问题是到底什么，这也是你们的助教,扮演的一个角色。
哈佛公开课 - 计算机科学课程节选
They don't, out of whole cloth, get it right the first time.
他们并不是一次性就从整块布料中，把这个程序提取出来的。
麻省理工公开课 - 计算机科学及编程导论课程节选

As well as finding veins quickly, the new apparatus could be used to make intravenous injections less traumatic, by getting them right first time.
ECONOMIST: Medical technology