untieBrE/ʌnˈtaɪ/NAmE/ʌnˈtaɪ/verbpresent simple - I / you / we / theyuntieBrE/ʌnˈtaɪ/NAmE/ʌnˈtaɪ/present simple - he / she / ituntiesBrE/ʌnˈtaɪz/NAmE/ʌnˈtaɪz/past simpleuntiedBrE/ʌnˈtaɪd/NAmE/ʌnˈtaɪd/past participleuntiedBrE/ʌnˈtaɪd/NAmE/ʌnˈtaɪd/ -ing formuntyingBrE/ʌnˈtaɪɪŋ/NAmE/ʌnˈtaɪɪŋ/~sthtoundoaknotinsth; toundosththatistied解开…的结;打开◆tountieaknot解开绳结◆Iquicklyuntiedthepackageandpeepedinside. 我迅速拆开包裹,往里瞥了一眼。◆Heuntiedtheropeandpushedtheboatintothewater. 他解开缆绳,把小船推入水中。