狞笑的英文：
fleer

参考例句：

A wolfish appetite,grin
如狼似虎的食欲、狞笑

Chao Po-too shrugged and smiled grimly, but Li Yu-ting went on doggedly
赵伯韬耸耸肩膀狞笑。可是

Wu Sun-fu sprawled back in his seat and showed his teeth in a derisive grin.
车里的吴荪甫往后靠在车垫上，露出了牙齿狞笑。

fleer是什么意思：
vi. 狞笑,讥笑,嘲弄
vt. 嘲笑
n. 冷嘲,嘲笑,愚弄