(diāo) surname Diao
(diāo) artful; wicked
(diāohuá) artful; crafty
(diāofāndōu) Diophantus of Alexandria (3rd century AD), Greek mathematician
(diāofāndōufāngchéng) Diophantine equation
(diāozuān) crafty; tricky
(diāonàn) to be hard on sb; to deliberately make things difficult