transform: implies a major change in form, nature, or function: ~ed a small company into a corporate giant.      强调重大改变，又如it was an event that would transform my life那是能够彻底改变我一生的一件事


metamorphose: suggests an abrupt or startling change induced by or as if by magic or a supernatural power or the proceeding of a process of natural development: ~d awkward girls into graceful ballerinas.       (生物学中metamorphosis表示蜕变，即动物生长过程中的形态进阶，如the metamorphosis of tadpoles into frogs蝌蚪到青蛙的蜕变，如caterpillars metamorphose to butterflies毛虫蜕变为蝴蝶)


transmute: implies a fundamental transforming into a higher element or thing: ~d a shopworn tale into a psychological masterpiece.         又如the former criminal had transmuted into a national hero由罪犯蜕变(质变、飞跃)为民族英雄


convert: implies a change fitting something for a new or different use or function: ~ed the boys' room into a guest bedroom.


transmogrify: suggests an extreme, often grotesque or preposterous metamorphosis: the prince  was ~ied into a frog.   


transfigure: implies a change that exalts or glorifies: ecstasy ~d her face.


transform改变: 指重大变化，metamorphose改变蜕变: 大到令人惊讶的变化，transmute质变飞跃: 变崇高，convert转变: 为适配不同用途，transmogrify剧变: 极端怪异荒唐的改变，transfigure改观美化: 使容光焕发面貌一新


记忆方法: 1) 首字母TTTT CM想成4 Ton四吨Mu Cai四吨木材<==改变用途

              2) 改变的意思是使变化mean to change a thing into a different thing or form.首字母TTTT CM想成4 Ton四吨Mu Cai四吨木材<==改变用途