Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
日本語
Japanese (language)noun
は
topic markergrammar
飛躍的
dramatic; rapid; tremendousna-adjective
に
adverbial form after an adjectival suffixgrammar
上達
improvement in skill; progress; getting better; upward communication of public opinion; conveying lower-level views to superiorsnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar