It is just like English sayings and phrases, there are Japanese sayings and phrases as well. It is called [kotowaza ことわざ].
From today I will introduce Japanese sayings and together with English explanation. Hope you find it interesting.
What is the KOTOWAZA?
Kotowaza is the Japanese saying/phrases which expresses people’s wisdom and it has been told by many people from long time ago. And it is an example of something and a teachings of the life.
Today’s kotowaza
頭隠して尻隠さず/ATAMA KAKUSHITE SHIRI KAKUSAZU

Its origin
Even if a pheasant hides his head inside the grass, his tale is in full view.
Its meaning
Even if you think you hide your fault ,defect and wrong doing, a part of it still shows.
The foolish ostrich buries his head in the sand and thinks he is not seen.
Don’t cover your head and leave your bottom exposed. You have to be careful not to expose your weak point while attempting to protect yourself.
How to use it
Watashi wa takai tokei o naisho de kaimashita ga, atama kakushite shiri kakusazu, reshito o mitukerare, haha ni okorare mashita.
I secretly bought an expensive watch but its receipt was found by my mother and she told me off.

arigato