回答：
take care of：照顾、照料；保管、保护
look after：照顾、照料
可见,look after没有“保管、保护”的涵义
例如：
①I stayed at home and took care of my mother yesterday.
= I stayed at home and looked after my mother yesterday.
译：我昨天在家照顾母亲.
②Children must take good care of their eyes.
≠Children must look after their eyes well.
译：孩子们要好好保护眼睛.