impartial 侧重对任何人或任何一方没有成见或偏袒。
just 多用于庄重场合，指不受个人利益得失或感情倾向的影响，侧重按照公认的准则或标准处理问题。
fair 普通常用词，指不偏不倚地对待人和物，侧重不受个人感情、偏见或利益所影响。
neutral 强调持中立态度，不偏袒任何一方，甚至不作最后的裁决。
objective 着重客观、真实，不为个人偏见、兴趣、感情或看法所左右。
参考例句
1. Is it true or just another dream? 这是真实或者又是美梦一场？
2. Well I just want her phone number! 我只是想得到她的电话号码！
3. I also just an ordinary little girl. 我也只是一个普通的小女孩。
英英解释
adj.
1. used especially of what is legally or ethically right or proper or fitting
2. implying justice dictated by reason, conscience, and a natural sense of what is fair to all
3. free from favoritism or self-interest or bias or deception; or conforming with established standards
4. of moral excellence adv.
1. and nothing more
2. indicating exactness or preciseness
3. only a moment ago
4. absolutely
5. by a small margin
