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Sentence analysis
6Spans
Sentence
Span Details
忍び歩き
travelling incognito; stealthy travel; quiet steps; creeping around; stealthy walkingnoun
で
location, means, or scope markergrammar
廊下
corridor; hallway; passagewaynoun
を
object markergrammar
進ん
advance; go forward; move ahead; precede; go ahead; lead; make progress; improve; deepen; heighten; intensify; be fast (clock); be ahead; gain time; do willingly; do of one's own accord-> 進むgodan verb
だ。
past tense or completed action-> たgrammar