鼻はな垂たらし

noun, noun which may take the genitive case particle 'no'

runny-nosed child; sniveler

Literally 'a child with a runny nose'; used as a mildly derogatory term for a young, immature person, often implying childishness or inexperience.

• あの鼻はな垂たらしがまた泣ないている。

  That runny-nosed kid is crying again.

• 鼻はな垂たらしの頃ころから彼かれを知しっている。

  I've known him since he was a snot-nosed little kid.

noun, noun which may take the genitive case particle 'no'

greenhorn; inexperienced person

Derogatory term for a novice or someone considered immature and inexperienced, likening them to a runny-nosed child.

• そんな鼻はな垂たらしに任まかせられる仕し事ごとじゃない。

  This isn't a job you can leave to a greenhorn like that.