Word: 侦查 (zhēnchá) Traditional: 偵查 侦查 dictionary entry zhēnchá to detect; to investigate Full dictionary entry for 侦查 Example sentences using 侦查 2 sentences, showing page 1 of 1. 他们侦查了很久才找到证据。 Tāmen zhēnchále hěn jiǔ cái zhǎodào zhèngjù. They investigated for a long time before finding evidence. 警察正在侦查这起案件。 Jǐngchá zhèngzài zhēnchá zhè qǐ ànjiàn. The police are investigating this case.