扰乱治安(行为)
(an example of) illegal noisy or violent behaviour in a public place
  Ten percent of this group were in persistent trouble for minor breaches of the peace.
 This, she said, constituted a serious breach of the peace.
 Five other people have been reported for alleged breach of the peace offences.
 He was arrested to prevent a further breach of the peace.
 UK At Coventry magistrates court she admitted breach of the peace and was bound over in the sum of £300 to keep the peace for one year.
 See also: breach noun (BROKEN PROMISE/RULE)