acerb meaning in English

adj.
1.酸(味)的。
2.(性情，言语等)尖刻的，厉害的，粗暴的。

My mother ' s childhood was almost a nightmare , although she had her own parents , but she was adopted and the fostress was so acerb to her . so my mother ' s childhood was even harder than my father ' s , after all there was a brother who had been loving him so much
母亲的童年几乎在噩梦中度过，虽然她有父母? ?我的祖父母都在人世，但是由于母亲被人领养，且养母对她很不好，所以她的童年可是说还不如爸爸，毕竟爸爸还有个疼他的哥哥。
Online inquiry , the article on a lot of nets says this very awfully , make him very acedia , see pharmaceutical college of chinese medical university when him " the spirit that do not have care " shi xiaofang of task group group leader teachs " acerb wet verrucous may not is a gender the contact is infected , wart of dispel of draw out pus by applying a plaster to the affected part is not difficult " after one article , if capture , help straw and general , after many setbacks , ask eventually history the professor ' s phone
上网查询，许多网上文章把这说得很可怕，令他十分绝望，当他看到中国医科大学药学院“无忧灵”课题组组长史小方教授的“尖锐湿疣未必是性接触传染，拔毒祛疣并不难”一文后，如抓住救命稻草一般，几经周折，终于打听到史教授的电话。