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Sentence analysis
6Spans
Sentence
Span Details
警察
police; police officer; police station; self-appointed enforcer; busybody; vigilante; gatekeepernoun, noun suffix
は
topic markergrammar
治安維持
maintenance of public order; security maintenancenoun
に
direction, time, indirect object, or target markergrammar
努め
endeavor; strive; make an effort-> 努めるichidan verb
ている。
ongoing or resultant stategrammar