Analyzer
Sentence analysis
5Spans
Sentence
Span Details
予期せぬ
unexpected; unforeseenexpression, noun-modifying
トラブル
trouble; problem; conflict; breakdown; malfunction; failure; medical problem; condition; disordernoun
が
subject markergrammar
発生
occurrence; outbreak; emergence; generation; production; development; growth; ontogenynoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar