Analyzer
Sentence analysis
8Spans
Sentence
Span Details
集中力
concentration; ability to concentratenoun
を
object markergrammar
持続
continuation; persistence; sustainingnoun, suru verb
させる
causative auxiliary-> せる/させるgrammar
の
possession, attribution, nominalizer, or nominal linkergrammar
は
topic markergrammar
大変
very; greatly; awfully; serious; grave; immense; terrible; difficult; hard; tough; major incident; disasteradverb, na-adjective, noun
だ。
plain copulagrammar