AnalyzerSentence analysis3SpansSentence平静を失う1000 character limitAnalyzeSentence平へい静せいを失うしなうSpan Details平へい静せいcalm; tranquility; serenity; composure; equanimity; presence of mindnoun, na-adjectiveをobject markergrammar失うしなうlose; be deprived of; miss; let slip; lose (a loved one); be bereaved of; concede; give upgodan verb