Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
難問
difficult question; difficult problem; perplexitynoun, suru verb
を
object markergrammar
解く
untie; unfasten; undo; unsew; unstitch; solve; work out; answer; dispel; clear up; remove (suspicion); cancel; lift; release; comb; untangle (hair)godan verb
ために
for; for the sake of; on behalf of; because of; due to; as a result of-> 為にconjunction
知恵を絞っ
rack one's brain; think hard-> 知恵を絞るexpression, verb
ている。
ongoing or resultant stategrammar