3 sentences

1. 经过朋友的开导，他终于对那次失败释怀了。

   jīng​guò péng​you de kāi​dǎo, tā zhōng​yú duì nà cì shī​bài shì​huái le.

   After some counseling from his friends, he finally made peace with that failure.

   Source: Dong Chinese Dictionary

2. 这种婵媛的情思一直困扰着他，使他久久不能释怀。

   zhè zhǒng chán yuán de qíng​sī yī​zhí kùn​rǎo zhe tā, shǐ tā jiǔ​jiǔ bù néng shì​huái.

   This lingering sentimental attachment has been troubling him, making it impossible for him to let go for a long time.

   Source: Dong Chinese Dictionary

3. 这段感情的破裂给他带来了极大的痛楚，久久不能释怀。

   zhè duàn gǎn​qíng de pò​liè gěi tā dài​lái le jí​dà de tòng​chǔ, jiǔ​jiǔ bù néng shì​huái.

   The end of this relationship caused him great anguish, and he hasn't been able to move on for a long time.

   Source: Dong Chinese Dictionary