Tiger head and tiger brain
hǔ tóu hǔ nǎo
Explanation describes a strong and honest appearance (mostly refers to children).
No source
Structural union.
Usage has a positive connotation. Mostly used for children; expresses a kind of cuteness. Generally used as an adverbial.
Identification of shapes and brain; unable to write "annoyed".
Antonym: Hericium
Example: The little boy looks ~; very strong.