VERB
（通常指工會成員）在…設置罷工糾察隊，在…外抗議
When a group of people, usually trade union members, picket a place of work, they stand outside it in order to protest about something, to prevent people from going in, or to persuade the workers to join a strike.
例句
The miners went on strike and picketed the power stations...
礦工開始罷工，并在發電站周圍設置了糾察隊。
100 union members and supporters picketed outside.
100名工會成員和支持者在外頭抗議。