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Sentence analysis
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Sentence
Span Details
技を磨く
improve one's skill; polish one's techniqueexpression, verb
ために
for; for the sake of; on behalf of; because of; due to; as a result of-> 為にconjunction
厳しい
strict; severe; rigorous; hard; difficult; tough; harsh; intensei-adjective
修練
training; drill; practice; disciplinenoun, suru verb
を
object markergrammar
積ん
pile up; stack; load; pack; accumulate; build up; gain-> 積むgodan verb
だ。
past tense or completed action-> たgrammar