I suggest you root out those weeds before they take hold.我建议你把这些杂草连根拔除，等它们扎牢了根就难以除掉了。A major investigation is underway to root out graft there, he said.他说为了把那里的受贿行为连根拔除，一项重要的调查正在进行。They had been forced to uproot their vines and plant wheat.他们不得不将葡萄藤连根拔除，改种小麦。