1.表示否定意义的前缀 1)纯否定前缀 a-,an-,asymmetry（不对称）anhydrous（无水的） dis- dishonest,dislike in-,ig-,il,im,ir,incapable,inability,ignoble,impossible,immoral,illegal,irregular ne-,n-,none,neither,never non-,noesense neg-,neglect un- unable,unemployment 2)表示错误的意义 male-,mal-,malfunction,maladjustment(失调) mis-,mistake,mislead pseudo-,pseudonym(假名),pseudoscience 3)表示反动作的意思 de-,defend,demodulation(解调) dis-,disarm,disconnect un-,unload,uncover 4)表示相反,相互对立意思 anti-,ant- antiknock( 防震),antforeign,(排外的) contra-,contre-,contro-,contradiction,countercurrent (逆流) counter-,counterreaction,counterbalance ob-,oc-,of-,op-,object,oppose,occupy with-,withdraw,withstand
