s. characterized by departure from accepted beliefs or standards
a. 意见不同的, 持不同政见的
n. 意见不同的人, 持不同政见者
1. The government arrested several dissidents who were protesting against the new law.
政府逮捕了几名对新法律进行抗议的异议者。
2. Many dissidents seek asylum in other countries to escape persecution.
许多异议者寻求在其他国家避难以逃避迫害。
3. The dissident voiced his opinions loudly, hoping to inspire change.
这位异议者大声表达自己的观点，希望能激励改变。