6 sentences

1. 故事的那部分遗失了。

   gù​shi de nà bù​fen yí​shī le.

   That part of the story has been lost.

   Source: CCMatrix

2. 文件的头两页遗失了。

   wén​jiàn de tóu liǎng yè yí​shī le.

   The first two pages of the document are missing.

   Source: CCMatrix

3. 我遗失了我的结婚戒指。

   wǒ yí​shī le wǒ​de jié​hūn jiè​zhi.

   I have lost my wedding ring.

   Source: CCMatrix

4. 东西经常遗失。

   dōng​xi jīng​cháng yí​shī.

   Things often get lost.

   Source: CCMatrix

5. 她声言那只戒指是被偷的，而不是遗失的。

   tā shēng​yán nà zhī jiè​zhi shì bèi tōu de, ér bù​shì yí​shī de.

   She claimed that the ring was stolen, not lost.

   Source: UM-Corpus: Spoken

6. 你的任务是调查一所废弃的医院，找到遗失的研究笔记。

   nǐ de rèn​wu shì diào​chá yī suǒ fèi​qì de yī​yuàn, zhǎo dào yí​shī de yán​jiū bǐ​jì.

   Your task is to investigate an abandoned hospital and find the missing research notes.

   Source: CCMatrix