List I | List II |
(A) Alma mater | (1) Reasonable value of service |
(B) De Jure | (II) One's own old school/college |
(C) Ipso facto | (III) By the fact |
(D) Quantum meruit | (IV) As a matter of legal right |
The CEO's sudden resignation threw the board into a tailspin.
What does the idiom "threw into a tailspin" mean?