2 sentences for 沉迷 (chén​mí — engrossed)

1. 她正在经历沉迷于诗歌的阶段。

   tā zhèng​zài jīng​lì chén​mí yú shī​gē de jiē​duàn.

   She's going through a poetry phase.

   Source: OpenSubtitles

2. 他最近沉迷于科幻小说，连走路的时候都在想书里的情节。

   tā zuì​jìn chén​mí yú kē​huàn xiǎo​shuō, lián zǒu​lù de shí​hou dōu zài xiǎng shū lǐ de qíng​jié.

   He has been obsessed with science fiction novels lately, thinking about the plots even while walking.

   Source: Dong Chinese Dictionary