任にん意い抽ちゅう出しゅつMeaningsNoun1. random samplingKanji used任obligation意idea抽take out出exitComposed of任にん意いoptional; voluntary; arbitrary; random; discretionary; facultative; spontaneous; anyNo-adjective抽ちゅう出しゅつextraction; abstraction; selection (from a group); samplingNoun