形容词just:
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
同义词：equitable
3.free from favoritism or self-interest or bias or deception; or conforming with established standards or rules
同义词：fair
4.of moral excellence
同义词：good,upright
副词just:
1.and nothing more
同义词：merely,simply,only,but
2.indicating exactness or preciseness
同义词：precisely,exactly
3.only a moment ago
同义词：just now
4.absolutely
同义词：simply
5.by a small margin- W.B.Yeats
同义词：barely,hardly,scarcely,scarce