Meaning : Keep or maintain in unaltered condition. Cause to remain or last.
Example :
Preserve the peace in the family.
Continue the family tradition.
Carry on the old traditions.
Meaning : Misbehave badly. Act in a silly or improper way.
Example :
The children acted up when they were not bored.
Synonyms : act up
Carry on meaning in Bengali (Bangla).