upset the apple cart

US /ʌpˈsɛt ði ˈæpl kɑrt/
UK /ʌpˈsɛt ði ˈæpl kɑrt/
"upset the apple cart" picture
1.

mengacaukan rencana, mengganggu rencana

to spoil a plan or arrangement

:
He didn't want to upset the apple cart by bringing up his concerns during the meeting.
Dia tidak ingin mengacaukan rencana dengan menyampaikan kekhawatirannya selama rapat.
Her sudden resignation really upset the apple cart for the whole department.
Pengunduran dirinya yang tiba-tiba benar-benar mengacaukan rencana seluruh departemen.