AnalyzerSentence analysis4SpansSentence秘密にしておく1000 character limitAnalyzeSentence秘ひ密みつにしておくSpan Details秘ひ密みつsecret; confidential; private; mystery; secret (to success, etc.); key; esoteric teachingsnoun, na-adjectiveにdirection, time, indirect object, or target markergrammarしlight/support verb with a noun or noun-like phrase-> するgrammarておくdo in preparationgrammar
