AnalyzerSentence analysis5SpansSentence偶然立ち聞きしてしまった。1000 character limitAnalyzeSentence偶ぐう然ぜん立たち聞ぎきしてしまった。Span Details偶ぐう然ぜんcoincidence; chance; accident; by chance; unexpectedly; accidentally; contingencynoun, na-adjective, adverb立たち聞ぎきeavesdroppingnoun, suru verbしlight/support verb with a noun or noun-like phrase-> するgrammarてしまっcompletion or regret-> てしまうgrammarた。past tense or completed actiongrammar
