●ˌpass ˈout🔑1.to become unconscious昏迷;晕倒;失去知觉◆He almost passed out with the pain. 他痛得快要昏死过去了。SYNblack out, faint➡ see also come round/come to2. ( ˌpass ˈout of sth) (BrE) to leave a military college after completing a course of training(从军校)毕业[v + adv]2also[v + adv + prep]