| 例句 |
ad hocadjective made or done without previous thought or preparationupon learning that it was her birthday, we had an ad hoc celebration right there in the restaurant ad-lib, down and dirty, extemporaneous, extemporary, extempore, impromptu, improvisational, improvised, off-the-cuff, offhand, offhanded, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudied unscriptedautomatic, impulsive, instinctive, involuntary, spontaneouscasual, cursive, informal, unauthorizedhalf-baked, half-cocked, ill-advised considered, planned, premeditated, premeditative, prepared, rehearsed deliberate, intended, intentional in 1639 |