reflex

1. N-COUNT A reflex or a reflex action is something that you do automatically and without thinking, as a habit or as a reaction to something. 下意識反應; 習慣性動作

Walt fumbled in his pocket, a reflex from his smoking days. 沃爾特在口袋裡摸索，一個他以前抽菸時形成的習慣性動作。

2. N-COUNT A reflex or a reflex action is a normal, uncontrollable reaction of your body to something that you feel, see, or experience. 反射動作

...tests for reflexes, like tapping the knee or the heel with a rubber hammer. …反射動作的測試，比如用橡膠鎚敲擊膝蓋或腳踵。

3. N-PLURAL Your reflexes are your ability to react quickly with your body when something unexpected happens, for example when you are involved in sports or when you are driving a car. 迅速反應能力

It takes great skill, cool nerves, and the reflexes of an athlete. 這需要運動員嫻熟的技巧、冷靜的頭腦以及迅速反應的能力。