Meaning : A never-ending cycle of activities and events (especially when they seem to have little purpose).
Example :
If we lose the election the whole legislative merry-go-round will have to start over.
Meaning : A large, rotating machine with seats for children to ride or amusement.
Synonyms : carousel, carrousel, roundabout, whirligig
Merry-go-round meaning in Bengali (Bangla).