It‘s „bear service“, and context is slightly different. You do bear service to someone, and Verschlimmbesserung is on something. Both signal intent to do someth

It‘s „bear service“, and context is slightly different. You do bear service to someone, and Verschlimmbesserung is on something. Both signal intent to do something good, but doing bear service is an act of screwing up while doing that, no prior condition required, and Verschlimmbesserung is the outcome of such attempt applied to something that was ok before.