captive audience ------ 被迫的观众
英文释义
A group of people that have no choice but to listen.
The company president boring annual speech rambled on for two hours because he knew his unfortunate employees were a captive audience.
公司总裁的年度演讲十分无聊，东拉西扯地说了两个小时，因为他知道，他的可怜员工不得不听。