not dry behind the ears

not dry behind the ears

Not yet fully mature; not well experienced in some situation or for some role. You boys can't enlist for the army, you aren't even dry behind the ears yet!
See also: behind, dry, ear, not

wet behind the ears

Inexperienced, often because one is young. Primarily heard in US. You'll never win the case with him as your lawyer—he's just out of law school and still wet behind the ears! This group of interns seems especially wet behind the ears—I barely trust them to get my coffee!
See also: behind, ear, wet