摸不着头脑

Traditional form:

摸不著頭腦

Pinyin (reading):

mōbuzháotóunǎo

Definitions:

• to be unable to make any sense of the matter
• to be at a loss

Characters:

• 摸 - to caress, to stroke, to gently touch
• 不 - no, not, un-; negative prefix
• 着 - to make a move, to take action
• 头 - head; chief, boss; first, top
• 脑 - brain

Traditional characters:

• 摸 - to caress, to stroke, to gently touch
• 不 - no, not, un-; negative prefix
• 著 - to show, to prove, to make known
• 頭 - head; chief, boss; first, top
• 腦 - brain