劍橋詞典the finger that someone uses to shoot a gun 釦扳機(jī)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(jī)指（手指彎曲後難以伸直的病癥） If a trigger finger is left untreated , the finger may become permanently bent . 如果扳機(jī)指不作治療的話，手指可能會(huì)永久彎曲。 返回 trigger finger