steal: may apply to any surreptitious taking of something either tangible OR intangible: ~ jewels. ~ a look at her. 偷偷看她    (surreptitious偷偷的，逃避人注意doing something secretly to avoid detection如compromised his diet with surreptitious snacking节食时偷偷吃点心)    （tangible有形的实体的，强调可以抓握的applies to something that can be handled or grasped, 如submitted the gun as tangible evidence提交手枪作为有形证据）


pilfer: implies a repeated stealing by stealth in small amounts: dismissed for ~ing from the company.    又如the mouse that ~s from our pantry常常在我们食品室中偷吃的那只老鼠


filch: adds to pilfer a suggestion of quickness: ~ed an apple when the man looked away.


purloin: stresses a removing or carrying off for one's own use or purpose: had ~ed a typewriter and other office equipment.


steal偷窃: 指任何偷偷拿走东西的行为，无论有形无形，pilfer小偷摸: 表示偷窃数量小但经常，filch偷小东西: 表示快速顺手地偷小东西， purloin挪为己用: 强调拿走是为了私人目的


记忆方法： 1）首字母SPFP想成扶贫商品<==被偷窃


           2）偷窃的意思是将东西在物主不知情或不允许的情况下拿走mean to take from another without that person's knowledge or permission.      盗窃是法律用语，偷盗或偷窃是日常用语，意思一样