投机地做某事

do sth. on the big figure do sth. on one's own responsibility be on one's honour to do sth. SPEC spec do sth. to admiration determine to do sth. admire to do sth. pretend to do sth. had better do sth. have sth. to do with have need to do sth. do sth on purpose do sth on the quiet do sth on the sly lay injunctions on sb to do sth lead sb on to do sth be on one's honour to do sth. egg sb on to do sth do sth on one's own responsibility be on one's honour to do sth do sth. on the big figure do sth. on one's own responsibility