人情冷暖，世态炎凉的翻译：Fickleness of human nature, the fickleness of the world 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Human well-being, inconstancy

Fickleness of human nature, the fickleness of the world

Human sentiment changes in temperature, fickleness of human relationships

Human nature is

Fickleness of human nature, the fickleness of the world