历史课上老师讲到屈原跳江自杀的故事。

Lìshǐ kè shàng lǎoshī jiǎng dào Qū Yuán tiào jiāng zìshā de gùshi.

In history class, the teacher told the story of Qu Yuan jumping into the river to commit suicide.

警方初步判断死者为自杀。

Jǐngfāng chūbù pànduàn sǐzhě wéi zìshā.

The police preliminarily determined that the deceased died by suicide.

那部小说的主人公最终选择了自杀。

Nà bù xiǎoshuō de zhǔréngōng zuìzhōng xuǎnzé le zìshā.

The protagonist of that novel ultimately chose to take his own life.