Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
日本語力
command of Japanese; proficiency in Japanesenoun
は
topic markergrammar
飛躍的
dramatic; rapid; tremendousna-adjective
に
adverbial form after an adjectival suffixgrammar
向上
improvement; advancement; rise; elevation; progressnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar