Definitions
rwaivhi: chameleon
nhando: pointlessly
Translation
A chameleon’s ability to change (colour) is a pointless display as the creature doesn’t even bite.
Inspiration
The chameleon’s ability to change colour is intriguing. Unlike some other reptiles, however, the creature is pretty much harmless.
Application
Some people tend to give the impression that they are good at or prepared for something. However, when it comes to it they fall short considerably.