breach of trust

wet behind the ears, you are (or he/ she is) too young

is not available even in a minute quantity, is extremely rare or hard to come by

is not available even in a minute quantity, is extremely rare or hard to come by

to perpetrate dishonest dealing

I fail to understand

a closed mouth catches no flies, nothing venture, nothing gain

the kettle calling the pot black, the defective person should look at its own defects before opening the tongue, the one who have a clean image, then it is brag

if not him then someone like him

this army has all generals and no soldier

I stout thou stout , who shall carry the dirt out.