Correct

笑里藏刀

/ xiào lǐ zàng dāo /
Strokes

Definition

lit. a dagger hidden in smiles (idiom); friendly manners belying hypocritical intentions/when the fox preaches, look to the geese

Example

Definition

hide a dagger behind a smile ―have murderous intent behind one's smile

1
xiàozàngdāo
笑里藏刀

Malice lay behind his smile.