1. unstudied的解释

4.

1. lacking knowledge gained by study often in a particular field

    e.g. is unstudied in Latin as he is in may other matters

2. not by design or artifice
    unforced and impromptu

    e.g. an air of unstudied spontaneous utterance is apt to be painstakingly achieved
           simple unstudied charm

    Synonym: uncontrived