榆木脑壳

Traditional form:

榆木腦殼

Pinyin (reading):

yúmùnǎoké

Definitions:

• (coll.) a blockhead; a thickhead

Characters:

• 榆 - elm tree
• 木 - tree; wood, lumber; wooden
• 脑 - brain
• 壳 - casing, husk, shell

Traditional characters:

• 榆 - elm tree
• 木 - tree; wood, lumber; wooden
• 腦 - brain
• 殼 - casing, husk, shell