knock off perch

knock somebody off their perch

(British & Australian)

to make someone fail or lose their leading position Will Rovers win the European Cup and knock United off their perch?

Name	Pronounced	Usage
Blagica	-	Macedonian
Millaray	-	Native American, Mapuche
Bertha	['bə:θə]
Gwenith	-	Welsh
Cvetko	-	Slovene
Hilda	HIL-də (English), HIL-dah (German, Dutch)	English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Anglo-Saxon (Latinized), Ancient German