pass out
phrasal verb with pass verb uk/pɑːs/ us/pæs/
(BECOME UNCONSCIOUS)
B2 （因病痛、受伤或醉酒）昏迷，失去知觉
to become unconscious for a short time, for example when ill, badly hurt, or drunk
I was hit on the head and passed out. 我被击中了头部，一下就昏过去了。
(LEAVE COLLEGE)
UK（从军校）毕业
to leave a military college after successfully finishing the course
The new officers passed out from Britannia Royal Naval College on Thursday 1 August . 新军官们8月1日星期四从不列颠尼亚皇家海军学院毕业了。