n.

1. 责任[U][（+for）]
   A little child does not feel much responsibility.

   小孩子不感到有什么责任。

2. 责任感[U]
   He is completely lacking in responsibility.

   他完全没有责任感。

3. 职责，任务；义务，负担[C]
   Keeping house is my responsibility.

   管家是我的事。

4. （智力，财力等方面的）责任能力；可信赖性[U]

n.

1. the state or fact of being responsible.
2. the opportunity or ability to act independently and take decisions without authorization.
   ▸ (often responsibilities) a thing which one is required to do as part of a job, role, or legal obligation.