Analyzer
Sentence analysis
7Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
努力
effort; hard work; endeavornoun, suru verb
は
topic markergrammar
無にさ
bring to nothing; waste; abuse; empty; clear-> 無にするexpression, suru verb
れ
passive, potential, or respect auxiliary-> れる/られるgrammar
た。
past tense or completed actiongrammar