someone cannot change their inherent nature or characteristics
一个人不能改变他们与生俱来的本性或特征 (yige ren buneng gaibian tamen yusheng julaide benxing huo tezheng)
"No matter how hard he tries, a leopard can't change its spots."
"不管他怎么努力,一只豹子不能改变它的斑点。" (Buguan ta zenme nuli, yi zhi baozu buneng gaibian ta de bandian.)
When bad things happen, they happen all at once.
to start again from the beginning
to have no time or energy left; to be overwhelmed
to become very interested in traveling
to be motivated by strong enthusiasm or love for something
recovered and healthy again