“颇有争议地”可以用英语表达为 “controversially” 。例如:The decision was made controversially.(这个决定是在颇具争议的情况下做出的 。)
此外,根据具体语境,也可用 “with much controversy” 等类似表达。例如:The policy was introduced with much controversy.(这项政策是在颇多争议的情况下推出的。)