to feel run down的用法和樣例：
例句
- The patient usually sweats profusely, feels clammy to the touch, may complain of a headache or nausea, and may be disoriented and feel weak.
熱衰竭患者通常會大量出汗，但摸上去是濕冷的，會有頭疼或噁心的癥狀，分不清方向並感覺虛弱。 - I can feel the pressure of the last few months beginning to catch up with me.
我感到這幾個月來的工作壓力已經讓我體力不支了。
