trigger finger

剑桥词典

the finger that someone uses to shoot a gun
釦扳機的手指
medical   specialized
a disorder of the tendon of a finger that makes it difficult to straighten the finger once it is bent
扳機指（手指彎曲後難以伸直的病症）
If a trigger finger is left untreated , the finger may become permanently bent . 如果扳機指不作治療的話，手指可能會永久彎曲。 返回 trigger finger