tā / cóng / xiǎo / jiù / hěn / guān / xīn / huán / jìng / hòu / lái / chéng / le / yì / míng / huán / bǎo / zhǔ / yì / zhě

他从小就很关心环境，后来成了一名环保主义者。

He has cared about the environment since childhood and later became an environmentalist.