shake ‧ up /ˈʃeɪkʌp/ BrE AmE noun [countable]
a process by which an organization makes a lot of big changes in a short time to improve its effectiveness
shakeup of
a big shakeup of the education system
shake ‧ up /ˈʃeɪkʌp/ BrE AmE noun [countable]
a process by which an organization makes a lot of big changes in a short time to improve its effectiveness
shakeup of
a big shakeup of the education system
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012