Definition of slap-happy in English:

1Cheerfully casual in a careless or irresponsible way.

他具有漫不经心、闲混的胆量。

1. 1.1 (of an action or operation) unmethodical; poorly thought out.
   （行为，行动）无章法的；欠考虑的
   slap-happy surveying methods

   考虑不周密的调查方法。

   Example sentencesExamples

   • In an era of the steady, dour beat of half-court offenses and slap-happy defenses, this Carolina team sings a pretty nostalgic song.
   • Community work has become a byword for slap-happy mismanagement of people's sentences.
   • With a slap-happy attitude to hygiene, and a proclivity towards being ‘influenced’ by others, the sign is traditionally associated with scabies, lice and skin infections caused by contamination.
   • We believe there will be a downward spiral with this Government's policy, because it is a slap-happy, haphazard policy that is trying to bring in 45,000-plus people.
   • Mr Tyler said: ‘Many Gulf veterans who have developed serious illnesses since have given us evidence of administration of vaccines which was at best slap-happy and at worst irresponsible.’
   • I would be deeply concerned if my very ability to exist in this country depended upon the slap-happy approach that has characterised Government IT projects to date.
   • The band's slap-happy power chords now replaced by the real thing: minor A's and major G's, smoothed out under too many plinking piano leads.

   Synonyms

   careless, slapdash, slipshod, lackadaisical, disorganized, haphazard, unmethodical, unsystematic, hit-or-miss, untidy, messy, thoughtless, inattentive, heedless, hasty, hurried

   slapdash, careless, slipshod, lackadaisical, hasty, hurried, disorganized, haphazard, unsystematic, untidy, messy, thrown together, last-minute, hit-or-miss, offhand, thoughtless, heedless, negligent, neglectful, remiss, cursory, perfunctory, lax, slack

2North American Dazed or stupefied by or as if by a series of blows to the head; punch-drunk.

经过如此的死里逃生之后，她感到有点头晕。