Prefixes（词语的前缀）

English is a very flexible language and you can build on your vocabulary to make new words. One way of doing this is to add prefixes (such as dis-, pre- or co-) before the word.

Here's a list of common prefixes with their meanings and some examples.

Prefix Explanation Example
anti against 反对 anticlockwise, anti-sunburn
auto self 自己的 antobiography, automobile
co with 共同、一起 cooperate, coordinate
contra against 反，防止 contradict, contravene
de remove 除去，脱离 deregulate, deselect
dis not 中断、消除 disappear, disconnect
il not 否定，相反 illegal, illogical
inter between 相互，在……之间 international, interchange
mis badly / wrongly 错，误 misinform, misbahave, misunderstand
multi many 许多 multinational, multilingual
non opposite 不，非，无 non-profit, non-finite
out more than 超过 outperform, outdo
over too much 过多，过剩 oversleep, overwork
post after 在……之后 postpone, postnatal
pre before 在……之前 predict, precook
re again 再，重 rewrite, relive
sub under 在……的下面 submarine, subliminal
super higher / improved 超，过于 supermarket, superhuman
trans across 横越，变化 transatlantic, transplant
uni one 单一 uniform, unilateral
under not enough 过少，不足 underpaid, underfed