The extraterrestrial has been a topic of interest to experts and nonprofessionals alike.
外星人是一个让专家和外行都很感兴趣的话题。
2
Most nonprofessionals have a pretty good sense of what narcissism means, but the formal definition is more precise than the dictionary meaning of the term.
大多非专业人士都对自恋意味着什么有着很好的判断力，但这个术语的形式定义要比字典上的意义精确很多。
3
The workers were nonprofessionals, judging by absence in their helmet equipment, “protectors” on ropes and other trifles providing safety both of them and civilian.