狞笑

例句：

1. 1.The man's grin was so widethat it almost reached his ears.
   那人的笑容太宽了，几乎要碰到他的耳朵了。
2. 2. She gave a sneer when she heard the bad news.
   她听到那个坏消息时露出了轻蔑的笑容。
3. 3.He gave a grimace of pain ashe tried to lift the heavy box.
   他试图举起这个沉重的箱子时，露出了痛苦的表情。