send up a trial balloon
放风球
口语·测试新想法
英文释义
To test an idea or proposal before fully committing to it
例句
The company sent up a trial balloon about remote work to see how employees reacted.
典故来源
源自政治和商业策略,像放气球测试风向一样,先提出想法观察反应,再决定是否推行。