1 sentence for 調 (diào — investigate)

1. 为了确认信息，他特地调看了当时的通话记录。

   wèi​le què​rèn xìn​xī, tā tè​dì diào kàn le dāng​shí de tōng​huà jì​lù.

   To confirm the information, he specifically checked the call records from that time.

   Source: Dong Chinese Dictionary