liable: implies a possibility or probability of incurring something because of position, nature, or the action of forces beyond one's control: unless you are careful, you are ~ to fall.   （incur招致to cause oneself to experience something unpleasant，如the government had incurred huge debts政府已负债累累, she incurred her father's wrath她招致父亲震怒）

open: stresses ease of access and a lack of protective barriers: a claim that is ~ to question.  例句也可以说成this is an open claim这是一个开放的主张，即允许质疑


exposed: suggests lack of protection or powers of resistance against something actually present or threatening: the town's ~ position makes it impossible to defend.

subject: implies an openness for any reason to something that must be suffered or undergone: all reports are ~ to editorial revision.


prone: stresses natural tendency or propensity to incur something: a person who is ~ to accidents.   propensity: 强烈的tendency倾向


susceptible: implies conditions existing in one's nature or individual constitution that make one unusually open to something, especially something deleterious: young children are ~ to colds.   (deleterious有害，常表示料想不到，如megadoses of vitamins can have deleterious effects维生素过量可能有害)


sensitive: implies a readiness to respond to or be influenced by forces or stimuli: her eyes are ~ to light.   stimuli刺激stimulus的复数


liable易受:  指容易招致某事物，由于位置性质或不可抗力，open开放: 强调没有保护容易接近，exposed暴露: 表示针对实际存在的危胁没有保护，subject必须接受: 强调必须承受经历，prone易受:  表示倾向于招致损失，susceptible易传染感染:  由于自身属性体质容易受损害，sensitive敏感: 易于对刺激做出反应或受其影响(readiness准备就绪乐意，这里表示容易、显效快)


记忆方法: 1）首字母LOESPSS组成SOPLESS无标准操作程序<==易受损失   (SOP: Standard Operating Procedure标准操作程序，台湾政论节目经常有人夹杂S.O.P这个词)  

         2）易受的意思是容易遭受逆境mean being by nature or through circumstances likely to experience something adverse.