pass out
1．lose consciousness；faint昏迷
The atmosphere in the crowded hall became so stifling that two of the women passed out．拥挤不堪的大厅里闷得令人窒息，两个妇女晕了过去。
She passed out while we were waiting for the doctor．我们正在等大夫时，她晕过去了。
She went back to work while she was still sick，and finally she just passed out．她带病重返工作，最后晕了过去。
2．distribute分发
The salesman passed out cigarettes to everyone in the restaurant．推销员给饭店里所有的人发了香烟。
The exhibitors at the trade fair pass out free samples to stimulate interest．参加交易会展出的厂商免费赠送样品以引起人们的兴趣。
3．die死
Mr．White passed out last，night．怀特先生昨晚去世。
4．graduate毕业（尤指军事院校）
Just over fifty students will be passing out at the end of the semester．有50多名学生在本学期末将学成毕业。