Question: When do people usually feel tired? Analysis: You can answer when people are most likely to feel tired, such as after working for a long time, or when lacking rest and sleep. Consider mentioning the impact of lifestyle, work pressure, and physical health on fatigue. Think about how the environment, mental state, and physical condition collectively influence a person's feeling of fatigue.

问题：人们通常什么时候会觉得疲劳？ 解析： 你可以回答人们在什么情况或在什么时间最容易感到疲劳，例如长时间工作后，或者缺乏休息和睡眠时。 考虑提到生活方式、工作压力和身体健康状况对疲劳的影响。想一想，环境、心理状态和身体状况如何共同影响一个人的疲劳感。