3 sentences for 启 (qǐ — inform)

1. 敬启者，兹收到您的来信。

   jìng qǐ zhě, zī shōu​dào nín de lái​xìn.

   To whom it may concern: I have received your letter.

   Source: Dong Chinese Dictionary

2. 启奏皇上，臣有本奏。

   qǐ zòu huáng​shang, chén yǒu běn zòu.

   Your Majesty, I have a petition to present.

   Source: Dong Chinese Dictionary

3. 启禀大人，属下已经查明了此事的真相。

   qǐ bǐng dà​ren, shǔ​xià yǐ​jīng chá​míng le cǐ shì de zhēn​xiàng.

   I beg to report, Your Honor, that I have uncovered the truth of the matter.

   Source: Dong Chinese Dictionary