Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
一心不乱
wholeheartedly; single-mindedly; with intense concentrationna-adjective, noun
に
direction, time, indirect object, or target markergrammar
研究
research; study; investigationnoun, suru verb
に
direction, time, indirect object, or target markergrammar
取り組ん
grapple with; wrestle with; engage in a bout; tackle; work hard on; come to grips with-> 取り組むgodan verb
でいる。
ongoing or resultant state-> ているgrammar