“有力地”用英语怎么说？

她的看法被有力地表达了出来.Her ideas were forcibly expressed.他有力地拉着我的手臂,帮我越过栅栏.He kept a firm hold on my arm as he helped me over the fence.这三部分人之间有力地相互作用,从而推动着经济的运转.The dynamic interaction of these three groups makes the economy fun...