扰乱: harass; disturb; create confusion; cause havoc with; mess up; perturb 短语和例子扰乱边境 harass the border of a country; 扰乱军心 undermine the morale of an army; 扰乱市场 disrupt the market; 扰乱视线 interfer
扰乱治安罪: crime of causing a public disturbance eg by fighting in the street