Analyzer
Sentence analysis
8Spans
Sentence
Span Details
硬い
hard; solid; tough; stiff; tight; wooden; unpolished; strong; firm; not easily moved; steadfast; honest; safe; obstinate; bookish; formal; stuffyi-adjective
岩盤
bedrocknoun
を
object markergrammar
掘り抜く
dig through; drill into; excavategodan verb
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