The judge told the court that the fresh evidence could be of considerable significance.法官在法庭上说，这个新的证据可能有相当重大的意义。This is pretty heavy stuff.这是相当重大的事情。These finds have considerable scientific importance.这些发现具有相当重大的科学意义。This is a fairly big decision to make.这是一个相当重大的决定。