unerringly

基本解释

Historically, the typical stock market investor has managed to underperform the market itself, unerringly buying high and selling low.
历史地看，典型的股市投资者的业绩逊于市场平均表现，恰恰做到了高买低卖。
It is, he said, “about being in the right state of focus to put your finger unerringly on the key facts or insights that unlock or open understanding”.
他说道：“问题的关键在于你是否在正确的状态，在这个状态上，你可以准确无误的找到理解问题的关键。”
The author makes no apologies for his hyperbole and claims that his book is unerringly factual.
作者坚持他的书所述千真万确，并没有为他的夸大事实而做出任何表示歉意之举。

In our hands, it's unerringly light -- and the NVIDIA guys seemed pretty proud when we mentioned that.
ENGADGET: NVIDIA's Tegra 4 reference tablet hands-on at CES 2013 (video)
Using it, a snippet of text as short as 20 characters can be assigned unerringly to the language it was written in.
ECONOMIST: Computers and language