立案侦查 lì'ànzhēnchá investigate Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 公安机关决定对这起合同诈骗案立案侦查。 gōng'ān jīguān juédìng duì zhè qǐ hétong zhàpiàn'àn lì'àn zhēnchá. The public security organs decided to file a case for investigation into this contract fraud. Source: Dong Chinese Dictionary