encroachment
noun [ C or U ] uk/ɪnˈkrəʊtʃ.mənt/ us/ɪnˈkroʊtʃ.mənt/
逐步侵犯（权利）；慢慢侵占（时间）；逐渐干扰（工作）
the act of gradually taking away someone else's rights, or taking control of someone's time, work, etc.
The new censorship laws are serious encroachments on freedom of expression. 新的审查法是对言论自由的严重侵犯。