抛弃表示断绝关系，使用有区别。


abandon: suggest complete disinterest in the future of what is given up: they ~ their cat at the end of the summer.


desert: implies a relationship(as of occupancy or guardianship) may imply desolation: ~ed farm growing to brush. OR culpability:  soldiers who ~ their posts.


forsake: implies a breaking of close association by repudiation and renunciation: ~ her husband for her career.


abandon抛弃: 不再关心，desert抛弃逃避: 放弃住所或逃避监护等关系-->荒凉或罪责(如逃兵)，forsake抛弃: 断绝不承认紧密关系。


记忆方法:  1）首字母联想，FAD(时髦)：caprice in taking up and dropping a fashion(无缘无故般的兴衰)。

           不要因为FAD抛弃老朋友。

          2) 抛弃的意思是完全放弃mean to give up completely.