Analyzer
Sentence analysis
7Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
研究
research; study; investigationnoun, suru verb
一筋
one line; one strand; one beam; earnest; single-minded; devoted; one bloodline; one clan; ordinary; commonnoun, na-adjective, noun suffix
の
possession, attribution, nominalizer, or nominal linkergrammar
人生
life; one's lifenoun
だ。
plain copulagrammar