upset the apple cart
US /ʌpˈsɛt ði ˈæpl kɑrt/
UK /ʌpˈsɛt ði ˈæpl kɑrt/
1.
打乱计划, 搅乱局面
to spoil a plan or arrangement
:
•
He didn't want to upset the apple cart by bringing up his concerns during the meeting.
他不想在会议期间提出自己的担忧，从而打乱计划。
•
Her sudden resignation really upset the apple cart for the whole department.
她突然辞职，真的打乱了整个部门的计划。