offhand

adj.临时,无准备的;随便,马虎的

off-putting, off-season, off-stage, off-street, off-white, offal, offbeat, offence, offence (US offense), offend, offender, offense, offensive, offensively, offensiveness, offer, offer sth., offer to do sth., offering, offertory, offhanded, office, office boy (fem 阴性作 `office girl), office holder (also `office bearer), office hours, office-block, officer, official, officialdom, officialese, officially, officiate, officious, officiously, officiousness, offing, offish, offline, offprint, offset,