When he was at work

When he was 29, John had an accident at work.

29岁时，约翰在工作中发生了事故。

After studying physics at Oxford University, Hawking had begun his first year of research work at Cambridge when he was diagnosed with motor neurone disease.

在牛津大学学习物理学之后，霍金开始他在剑桥大学的第一年研究工作，也就在那时，他被诊断患上了神经系统疾病。

He wondered why he had to work so hard at masculinity and attributed his feelings of being a "man-imposter" to the death of his father in a tractor accident when he was 3.

他很疑惑为什么非得要如此努力标榜自己足够“纯爷们”，而且他把觉得自己是个“伪爷们”的诡异感觉归咎于他3岁时的那场导致他爸爸死亡的拖拉机事故。