形容词

1. 无忧无虑的;毫无牵挂的
    A carefree person or period of time doesn't have or involve any problems, worries, or responsibilities.

1. cheerfully irresponsible

    e.g. carefree with his money
           freewheeling urban youths
           had a harum-scarum youth

    Synonym: devil-may-carefreewheelinghappy-go-luckyharum-scarumslaphappy

2. free of trouble and worry and care

    e.g. the carefree joys of childhood
           carefree millionaires, untroubled financially

    Synonym: unworried