立即的，即席的；

1. 立即的：offhand 即时的 | offhanded 立即的 | offhandedly 立即地

2. 即席的/无准备的：offhand /即时的/不加思索/ | offhanded /即席的/无准备的/ | offhandedly /即席地/随便地/

1. casually thoughtless or inconsiderate

    e.g. an offhand manner
           she treated most men with offhand contempt

    Synonym: offhand

2. with little or no preparation or forethought

    e.g. his ad-lib comments showed poor judgment
           an extemporaneous piano recital
           an extemporary lecture
           an extempore skit
           an impromptu speech
           offhand excuses
           trying to sound offhanded and reassuring
           an off-the-cuff toast
           a few unrehearsed comments

    Synonym: ad-libextemporaneousextemporaryextemporeimpromptuoffhandoff-the-cuffunrehearsed

1. in a casually inconsiderate manner

    e.g. replied offhand, his mind a million miles away
           she threw him over offhandedly without even a Dear-John letter

    Synonym: offhandoffhandedly

2. without previous thought or preparation

    e.g. couldn''t give the figures offhand
           we decided offhand to go to Canada
           she had made these remarks offhandedly

    Synonym: offhandoffhandedly