1. dis- dishonest, dislike
2. in-, ig-, il, im, ir, incapable, inability, ignoble, impossible, immoral, illegal, irregular
3. non-, nonsense
4. neg-, neglect
5. un- unable, unemployment
6. mal-, maladjustment( 失调 )
7. mis-, mistake, mislead
8. anti-, antiknock( 防震 ),
9. contra-, contro-, contradiction, controflow( 逆流 )
10. counter-, counterbalance
