responsibility  
noun uk/rɪˌspɒn.sɪˈbɪl.ə.ti/ us/rɪˌspɑːn.səˈbɪl.ə.t̬i/
  (DUTY)           
 B2 [ C or U ]职责;责任 
something that it is your job or duty to deal with
  [ + to infinitive ] It's her responsibility to ensure the project finishes on time. 她的职责就是保证工程如期完工。 
 She takes her responsibilities as a nurse very seriously. 身为护士,她对自己的工作极为认真。 
 Synonyms: care (PROTECTION)charge (CONTROL)custody (CARE)guardianshipguidancekeepingprotectiontutelage 
 have responsibility 负责;做负责人
to be in a position of authority over someone and to have a duty to make certain that particular things are done
  Who has responsibility here? 这里谁是负责人? 
 Jenny, you have responsibility for collecting up the books after the class. 珍妮,你负责课后把书收起来。 
 have a responsibility to someone 对(某人)负责
to have a duty to work for or help someone who is in a position of authority over you
  The company says it cannot cut its prices any more because it has a responsibility to its shareholders. 公司方面称不能再降价了,因为它要对股东们负责。 
 - More examples
 - Fatherhood is a lifelong responsibility.
 - Colin Lamb has taken over responsibility for this project.
 - The council denied that their decision represented any abdication of responsibility.
 - We have the chance to build an outward-looking Europe that lives up to its global responsibilities.
 - Your responsibilities will be mainly administrative.
 
  (BLAME)      
 B2 [ U ]对(尤指坏事)负责任;应对…承担责任 
blame for something that has happened
  Terrorists have claimed responsibility for (= stated that they caused) yesterday's bomb attack. 恐怖分子声称他们对昨天的炸弹袭击事件负责。 
 The minister took/accepted full responsibility for (= admitted that he was to blame for) the disaster and resigned. 部长表示对这场灾难负全责并引咎辞职。 
 - More examples
 - He denied all responsibility for the rumours which have been circulating.
 - We disclaim all responsibility for this disaster.
 - The report exonerated the crew from all responsibility for the collision.
 - I accept full responsibility for the failure of the plan.
 - It's your decision - you must bear the responsibility if things go wrong.
 
  (GOOD JUDGMENT)      
 [ U ]有鉴别能力;明辨是非的能力;负责可靠 
good judgment and the ability to act correctly and make decisions on your own
  He has no sense of responsibility. 他没有丝毫责任心。 
 The job carries a lot of responsibility (= it involves making important decisions). 这个职位责任重大。 
 Idiom  
act/do something on your own responsibilityidiom  formal 自行负责;自作主张
to act without being told to by someone in authority