愣头愣脑 lèng tóu lèng nǎo

DEFINITIONS

  1. rash
  2. impetuous
  3. reckless

CHARACTERS

愣 lèng
HSK 6
be in a daze
头 tóu
HSK 3
head; top; chief, first; boss
愣 lèng
HSK 6
be in a daze
脑 nǎo
HSK 1
brain