dope out造句

1、They met to dope out plans for covering the event.
他们聚在一起制订计划来掩盖这个事件。

2、The detective tried to dope out why the man was murdered.
侦探们试图搞清那人被害的原因。

3、I failed to dope out what he meant.
我没能理解他的用意。