let blood

漢語翻譯

例句：

1. The challenger seemed to be outclassed, although he was the first to let blood.
   雖然挑戰者道德使對方受傷，但他似乎很容易被擊敗。
2. In olden times, in the case of fevers, the physician always let blood from the patient.
   古時，醫生碰到病人患各種熱病時，總是給病人放血。