turn against
US /tɜːrn əˈɡenst/
UK /tɜːrn əˈɡenst/

1.
انقلب ضد, عادَى
to become hostile to someone or something; to betray or oppose
:
•
After the scandal, many of his supporters turned against him.
بعد الفضيحة، انقلب العديد من مؤيديه عليه.
•
The public might turn against the new policy if it causes too many problems.
قد ينقلب الجمهور ضد السياسة الجديدة إذا تسببت في الكثير من المشاكل.