It was a pretty hardscrabble kind of life, but he wasn't aware of it at the time.

这是非常苦的生，当时没有意识到。

The theory is that such austerity measures also help neurons survive the hardscrabble environment of a blood-deprived brain.

该理论认为，这种紧缩措施还有助于神经元在脑缺乏血液的贫瘠环境中存下来。

You meet him at a different time in his life, and he's from a hardscrabble background.

你在生命中的不同时间遇到，来自苦的背景。

There's been a tension between the privileged university population and the hardscrabble regular people of Oxford for over 800 years.

800 多年来，享有特权的学人口与牛津贫民窟的普通民众之间直存在紧张关系。