Question

accost

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ac∙cost / əˈkɔst ; əˈkɔst /
◙verb [T] [written]
1. to go towards someone you do not know and speak to them in an unpleasant or threatening way
• 〔以不怀好意的态度〕上前和〔陌生人〕说话:
 »He was accosted by four youths and forced to give them all his money.
  四个年轻人上前跟他搭讪，强迫他交出身上所有的钱。