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Sentence analysis
5Spans
Sentence
Span Details
内緒
secret; secrecy; confidentiality; one's circumstances (esp. financial); inner realization; personal enlightenment; kitchennoun, no-adjective
に
direction, time, indirect object, or target markergrammar
し
light/support verb with a noun or noun-like phrase-> するgrammar
ておい
do in preparation-> ておくgrammar
て。
connective te-formgrammar