AnalyzerSentence analysis4SpansSentence石につまずいた。1000 character limitAnalyzeSentence石いしにつまずいた。Span Details石いしstone; rock; pebble; jewel; precious stone; flint (in a lighter); game piece; stone (in go); disc (in Othello); stone (in the body); calculusnounにdirection, time, indirect object, or target markergrammarつまずいtrip; stumble; fail; suffer a setback-> 躓くgodan verbた。past tense or completed actiongrammar