dissent

The holding or expression of opinions that are at variance with those commonly or officially held; to disagree with an official or widely held view.

• dissenter/dɪˈsɛntər/(n)持不同意见者
• dissenting/dɪˈsɛntɪŋ/(adj)持异议的

• political dissent
• voice dissent
• dissenting opinion
• suppress dissent
• right to dissent

1. 1.The regime brutally suppressed any form of political dissent. (noun — disagreement with authority)
2. 2.Two justices dissented from the majority ruling, arguing it violated constitutional rights. (verb — legal)

• disagreement/ˌdɪsəˈɡriːmənt/— difference of opinion — more neutral
• objection/əbˈdʒɛkʃən/— an expression of disapproval
• opposition/ˌɒpəˈzɪʃən/— active resistance

from Latin "dissentire" (to disagree) — dis- (apart) + sentire (to feel) — literally "to feel differently"