獰笑

狞笑
níngxiào
  1. to laugh nastily
  2. evil grin

CEDICT

邪惡的奸笑。

重編國語辭典

Entry Composition

1 獰 níng fierce-looking
=2 笑 xiào old variant of 笑 xiào
=2 笑 xiào
  1. to laugh; to smile
  2. to laugh at