to wait in ambush or to lie in ambush
soldiers, police, gunmen +埋伏待机
The bus was taking people home when the gunmen, lying in ambush, opened fire.那辆公共汽车正载着人们回家时, 埋伏着的枪手开了火。
journalists, press, reporters +守候拦截
Switzerland's Foreign Minister wanted his envoy to take a lower profile, but the Swiss tabloid press was lying in ambush.瑞士外交部长本希望特使保持低调, 但是瑞士小报记者正对他蹲点拦截。