即席的
off-the-cuff
adj : with little or no preparation or forethought; "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" [syn:
{ad-lib}, {extemporaneous}, {extemporary}, {extempore},
{impromptu}, {offhand}, {offhanded}, {unrehearsed}]