The cause of Cao Ying's death, what was Cao Ying's original name? His biography once translated "Tolstoy"

Cao Ying, whose original name was Sheng Junfeng, was born in 1923 in Cixi, Ningbo, Zhejiang Province. He began to learn Russian in 1938 and translated manuscripts for Time magazine, Soviet Literature and Art magazine and Time Daily. From 1978 to 1998, Caoying systematically translated all of Leo Tolstoy's novels, including three novels, more than 60 short stories and autobiographical novels. "War and Peace", "Resurrection", "Anna Karenina", etc. have opened the window of Russian literature for Chinese readers. Li Fuqing, a famous Russian sinologist, once lamented: "The only person in the world who can translate all Tolstoy's novels is Cao Ying.