lipless

1. And still, Voldemort and Harry looked at each other, and now Voldemort tilted his head a little to the side, considering the boy standing before him, and a singularly mirthless smile curled the lipless mouth.
   伏地魔和哈利仍然互相对视着，然后伏地魔把脑袋微微偏到一边，打量着站在他面前的这个男孩，没有嘴唇的嘴巴扭动着，露出一个古怪而阴郁的笑容。
2. Flames had been tattooed across his cheeks and chin and shaven head to make a bright red mask that crackled about his eyes and coiled down and around his lipless mouth.
   他的双颊下巴上纹满了火焰刺青，剃着光头好做出一个亮红色的面具盖满他的眼睛周围并且盘旋而下环绕着他没有唇的嘴。

adj

1. without a lip or lips

   Synonym:    unlipped