AnalyzerSentence analysis3SpansSentence筆おろしをする1000 character limitAnalyzeSentence筆ふでおろしをするSpan Details筆ふでおろしusing a new brush for the first time; doing something for the first time; man losing his virginity (esp. to an older woman)noun, suru verbをobject markergrammarするlight/support verb with a noun or noun-like phrasegrammar