dissident

異議人士、持不同政見者多指政治

Several dissidents were jailed for criticizing the government online.

好幾名異議人士因在網路上批評政府而入獄。

反對者、唱反調的人

A few dissidents in the party refused to back the new policy.

黨內少數反對者拒絕支持這項新政策。

持異議的、反對的

The magazine published essays by dissident writers in exile.

那本雜誌刊登了流亡海外持異議作家的文章。