To feign foolishness or docility while harboring cunning and malicious intentions; to appear simple-minded but be shrewd and treacherous within.
他表面上总是一副憨厚的样子，实则呆里撒奸，心计很深。
He always presents a simple and honest appearance, but in reality, he feigns foolishness to act cunningly, with deep schemes.
Era:
Ancient
Frequency:
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