Translation:It is a garden entirely without flowers.
I am not sure how Duo attained the competency. I think my Danish (my mother tongue) is superior. There are several bad mistakes. I am only level 10 but it is hard to imagine that the error rate decreases when the complexity goes up. Kudos with you attempt to learn Danish but the Duo prononciation is very dated. Unfortunately spoken Danish is hard to come by. No doubt one of the most difficult Indo-European languages.