T: 時 S: 时 [shi2] = 1. time, moment 2. hour 3. season 4. when
他在三十歲時被診斷出有帕金森氏症。
他在三十岁时被诊断出有帕金森氏症。
ta1 zai4 san1 shi2 sui4 shi2 bei4 zhen3 duan4 chu1 you3 pa4 jin1 sen1 shi4 zheng4.
He was diagnosed with Parkinson's at the age of 30.
https://www.learnwitholiver.com/chinese/daily-sentence-2308