stomp on someone/something 
phrasal verb with stomp verb uk/stɒmp/ us/stɑːmp/
  mainly US         
 重踏,重踩
to step down hard on someone or something
  I stomped on his toes and ran away. 我使劲儿踩了一下他的脚趾,然后跑了。 
  粗暴对待,虐待;打败
to treat someone or something badly, or to defeat him, her, or it
  This is another example of the big companies joining together to stomp on small businesses. 这是大公司联合起来挤垮小企业的又一个例子。