desire: stresses the strength of feeling and often implies strong intention or fixed aim: ~d to start a new life in another state.    作名词表示强烈的欲望，如a desire for power/possesion/love/knowledge强烈的权力/占有/求知欲/渴望被爱，作动词表示很希望做某事或得到某物，如he desires to see you/have a child/help and care for old people他渴望见到你/有个孩子/帮助照顾老年人，如he desires health/happiness/her/money/friendship他渴望健康/幸福/想追求她/金钱/友谊


wish: often implies a general or transient longing for the unattainable: she ~ed that there were some way she could help.   常表示随口说的难以实现unattainable的愿望，如I wish one day I could travel to the moon希望有一天可以赴月旅行   （transient临时暂时的，指时间短applies to what is actually short in duration or stay，如a hotel catering primarily to transient guests宾馆主要接待临时客人）      另外，long和wish互释，long: implies a wishing with one's whole heart for something remote or not easily attainable，如longed for some peace and quiet渴望/希望.            general作形容词有2个意思，1通用的  2大概的不详细不具体的，这里用2


want: specifically suggests a longing for something that would fill a felt need: ~ to have a family.


crave: stresses the force of physical appetite or emotional need: ~ sweets constantly. 甜食        appetite食欲胃口强烈欲望


covet: implies strong envious desire, typically for what belongs to another: one of the most ~ed honors in the sportsworld.


desire欲想希望: 强调强烈的感觉，和坚定的目标, wish希望愿望: 常表示不确定的随口说的难以达到的愿望，want想要:  特指想填补需求，crave想要渴求: 强调的强烈身心需求，covet觊觎: 心怀嫉妒地想要属于他人的东西


记忆方法: 1）首字母DWWCC排序成WCDWC无偿的午餐<==欲望

         2) 练习一下

         3）欲望的意思是渴望得到某物mean to have a longing for something.首字母DWWCC排序成WCDWC无偿的午餐<==欲望