slaphappy

1. He's slaphappy in his approach to rules and regulations.
   他对规章制度视如儿戏。

adj

1. dazed from or as if from repeated blows
   1. knocked silly by the impact
   2. slaphappy with exhaustion

   Synonym:    punch-drunksilly

2. cheerfully irresponsible
   1. carefree with his money
   2. freewheeling urban youths
   3. had a harum-scarum youth

   Synonym:    carefreedevil-may-carefreewheelinghappy-go-luckyharum-scarum