super-cabinet       
noun [ C ] (also supercabinet, super cabinet) uk/ˈsuː.pəˌkæb.ɪ.nət/ us/ˈsuː.pɚˌkæb.ən.ət/
 超级内阁(由政府中最重要的成员为特定目的而组建的内阁小组)
a cabinet (= a small group of the most important people in government) that has usually been formed for a particular purpose
  It was a small super-cabinet made up of the most senior members of the cabinet.  这是一个由内阁中最资深的成员组成的小型超级内阁。 
 There were demands for the creation of a supercabinet to take control of the crisis.
 The super cabinet took important political and economic decisions.
 - More examples
 - They proposed that the business of government should be directed by a super-cabinet of five of the most senior ministers.
 - The committee acts as a kind of super-cabinet to advise the President.
 - An economic supercabinet was set up for the duration of the recession.