名詞 dissident:

1. a person who dissents from some established policy
   同義詞：dissenter, protester, objector, contestant

形容詞 dissident:

1. characterized by departure from accepted beliefs or standards
   同義詞：heretical, heterodox
2. disagreeing, especially with a majority
   同義詞：dissentient, dissenting

1. The authorities put the dissident author through the hoop by denouncing him as an enemy of the state and putting him under house arrest.
   當(dāng)局譴責(zé)那位持不同政見的作家是國(guó)家的敵人，并且將他軟禁起來(lái)，使他受苦受難。
2. The dissident element on campus.
   校園內(nèi)的持不同意見者

dis.si.dent

adj.（形容詞）
Disagreeing, as in opinion or belief.
不同，如意見或信念
n.（名詞）
One who disagrees; a dissenter.
持不同意見的人；持不同政見者

來(lái)源：
Latin dissidôns dissident- [present participle of] dissidôre [to disagree]
拉丁語(yǔ) dissidôns dissident- [] dissidôre的現(xiàn)在分詞 [不同意，不一致]
dis- [apart] * see dis-
dis- [分開，分離] *參見 dis-
sedôre [to sit] * see sed-
sedôre [坐，就座] *參見 sed-