AnalyzerSentence analysis3SpansSentence胸に秘める1000 character limitAnalyzeSentence胸むねに秘ひめるSpan Details胸むねchest; breast; breasts; bosom; bust; heart; heartbeat felt in the chest; lungs; chest illness; stomach; upper stomach area; mind; feelingsnounにdirection, time, indirect object, or target markergrammar秘ひめるhide; keep inside; concealichidan verb