Subject + 死去 + 了
死去 (sǐqù) means to die or pass away, emphasizing the completion of the act of dying. It is a literary or narrative expression often used in stories and formal writing rather than everyday conversation.
那只老猫在一个冬天的夜晚悄悄死去了。
Nà zhī lǎo māo zài yí ge dōngtiān de yèwǎn qiāoqiāo sǐqù le.
The old cat quietly passed away on a winter night.
故事里的国王在战争中死去,留下了年幼的王子。
Gùshi lǐ de guówáng zài zhànzhēng zhōng sǐqù, liúxià le niányòu de wángzǐ.
In the story, the king died in the war, leaving behind a young prince.
很多士兵在那场战役中死去。
Hěn duō shìbīng zài nà chǎng zhànyì zhōng sǐqù.
Many soldiers died in that battle.