如果你想用英语来表达一个人要求严格的话，你可以使用以下几种说法：

Demanding
Strict
Rigorous
Exacting

这些词的来源都可以追溯到拉丁语。"Demanding" 来自拉丁语的 "demandare"，意为 "要求" 或 "需求"。"Strict" 来自拉丁语的 "strictus"，意为 "严格" 或 "紧密"。"Rigorous" 来自拉丁语的 "rigorosus"，意为 "严格" 或 "苛刻"。"Exacting" 来自拉丁语的 "exigere"，意为 "要求" 或 "需求"。

例句：

She has a demanding job that requires her to work long hours. (她有一份要求严格的工作，需要她工作很长时间。)
The strict rules of the school are designed to keep students safe. (学校的严格规定旨在保护学生的安全。)
The coach has a rigorous training program for the team. (教练为球队制定了一个严格的训练计划。)
She has exacting standards for the quapty of her work. (她对工作质量有着严格的要求。)