AnalyzerSentence analysis4SpansSentence急所を攻撃する。1000 character limitAnalyzeSentence急きゅう所しょを攻こう撃げきする。Span Details急きゅう所しょvital point; weak spot; tender spot; crux; key point; heart of the matter; groin (as a target); vital point (in go)nounをobject markergrammar攻こう撃げきattack; assault; offensive; criticism; condemnation; cyber attacknoun, suru verbする。light/support verb with a noun or noun-like phrasegrammar