BSM

例句：

1. 1. I'm not sure if we should go to the party tonight.
   我不确定我们今晚是否应该去参加聚会。
2. 2. The boss has been BSM about the project for weeks now.
   老板对这个项目已经采取了不作为的态度几周了。
3. 3. He was caught in a traffic jam and had to wait for hours before he could get out of the BSM.
   他在交通堵塞中被困了几个小时，直到他能够离开。