boon or bane
boon or bane
Something that be may either good or bad, depending on context. All this work could be either boon or bane—we'll find out once we see if the workers can keep up with it all. Residents in the region are still waiting to find out if the new tax proposal will prove boon or bane.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.