ride (one's) hobby-horse

To frequently or incessantly talk or complain about a subject, topic, or issue in which one is excessively interested. Ah, here we go again. Once grandpa starts riding his hobby-horse about the government, there's no stopping him!

Common Names:

Name	Pronounced	Usage
Sadhbh	SIEV (Irish)	Irish, Irish Mythology
Asterix	[asteriks]
Trendafilka	-	Macedonian
Katy	KAY-tee	English
Nerys	-	Welsh
Glyn	-	Welsh