He observed that the girl mostly stayed home, seemingly isolating herself after school. He sometimes saw her order takeout, guessing she probably didn''t cook for herself.
看这姑娘每天几乎都是把自己关在家里，可能放学回来就独自一个闷在家里，有时候看到她点外卖，估计她也不会自己做饭吧？
Living a disorganized life, acting like an invisible person, and eating whatever was handy, her days appeared monotonous.
生活邋遢，行为举止如隐形人般，吃饭随意凑合打发着就这样日复一日。
Was the academic pressure for a student really that intense?
一个学生，学业压力有这么大吗？
He had graduated only a few years prior, so how much could things have changed? Her lifestyle made him genuinely worried about her health. Concerned, he decided to invite her to dinner.
自己毕业也没几年吧？再变化也不可能如此千变万化吧？这姑娘这生活方式真是让健康堪忧呀？想着想着他眉心紧锁。得了吧，就请她吃饭吧。