3 sentences for 研 (yán — research)

1. 他在交大读研。

   tā zài Jiāo​dà dú yán.

   He is doing his postgraduate studies at Jiaotong University.

   Source: Dong Chinese Dictionary

2. 他已经顺利考硕，明年就开始读研了。

   tā yǐ​jīng shùn​lì kǎo shuò, míng​nián jiù kāi​shǐ dú yán le.

   He has successfully passed his master's entrance exam and will start graduate school next year.

   Source: Dong Chinese Dictionary

3. 我们需要仔细研读文件，领会其中的核心精神。

   wǒ​men xū​yào zǐ​xì yán dú wén​jiàn, lǐng​huì qí​zhōng de hé​xīn jīng​shén.

   We need to study the document carefully to grasp its core spirit.

   Source: Dong Chinese Dictionary