Leave nothing/little to the imagination
Definition 1 of 1
Pro Tip 1/3Visual Explicitness
Used when something is displayed very clearly, visually leaving nothing hidden. 
The x-ray showed the break clearly, leaving nothing to the imagination.
Pro Tip 2/3Cultural Sensitivity
Be cautious when using the phrase as it may imply sexuality or inappropriateness in some cultures. 
In some cultures, saying her outfit leaves little to the imagination could be seen as offensive.
Pro Tip 3/3Indiscreet Language
It might suggest that someone is not being subtle or discreet about their words or actions. 
His blunt description of the surgery left little to the imagination.