AnalyzerSentence analysis4SpansSentence彼はよく馬鹿なことをする。1000 character limitAnalyzeSentence彼かれはよく馬ば鹿かなことをする。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammarよくwell; properly; skillfully; often; frequently; I'm glad that ...; thank you for ...; quite the nerve to; I don't know how you can ...-> 良くadverb馬ば鹿かなことをする。do a stupid thing; do something foolishexpression, suru verb