1·In many cases the observers might have made a mistake.
在很多情况下，观察者可能会犯错误。
2·Later this discovery of the sunspot activity was made by one of the most patient observers in the history of science, a German chemist, Charles Schwabe.
后来，科学史上最耐心的观察者之一，德国化学家 Charles Schwabe 发现了太阳黑子活动。
3·First, the observation may be unreliable in that two or more observers may not agree that the particular response occurred, or to what degree it occurred.
首先，观察结果可能会不可靠，因为两个及以上的观察者可能无法对特定的具体反应是否发生以及反应发生的程度达成一致意见。
4·A Harvard Business School study found that observers consistently rated those who were upfront about themselves more highly, while those who hid lost trustworthiness.
哈佛商学院的一项研究发现，观察者一致给那些坦率的人评价更高，而那些不善表露自我的人则失去了可信度。
5·For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum.
例如，经过训练的观察者主要通过对光谱中出现的简单线条的精确分析来获取关于恒星的大量信息。