insist upon

1.坚持;2.坚决主张

insider, insidious, insidiously, insidiousness, insight, insightful, insignia, insignificance, insignificant, insignificantly, insincere, insincerely, insincerity, insinuate, insinuation, insipid, insipidity, insipidly, insist, insist on sth. (doing sth.), insistence, insistent, insistently, insofar, insofar as, insole, insolence, insolent, insolently, insoluble, insolvency, insolvent, insomnia, insomniac, insomuch, insouciance, insouciant, Insp, inspect, inspection,