4 sentences

1. 这是一本回忆录。

   zhè shì yī běn huí​yì​lù.

   It's a memoir.

   Source: OpenSubtitles

2. 他在流亡期间写下了这本回忆录。

   tā zài liú​wáng qī​jiān xiě​xià le zhè běn huí​yì​lù.

   He wrote this memoir while in exile.

   Source: Dong Chinese Dictionary

3. 他在退休后开始撰写自己的回忆录。

   tā zài tuì​xiū hòu kāi​shǐ zhuàn​xiě zì​jǐ de huí​yì​lù.

   He started writing his memoirs after retiring.

   Source: Dong Chinese Dictionary

4. 不少人在回忆录中记录了当年红卫兵小将的狂热行为。

   bù​shǎo rén zài huí​yì​lù zhōng jì​lù le dāng​nián Hóng​wèi​bīng xiǎo​jiàng de kuáng​rè xíng​wéi.

   Many people recorded the fanatical behavior of the young Red Guards in their memoirs.

   Source: Dong Chinese Dictionary