机器人腿部的关节非常灵活。

The joints of the robot leg are very ___flexible.

我们需要一个灵活的时间表来处理突发情况。

We need a ___flexible schedule to handle unexpected situations.

老板在项目截止日期上很灵活，愿意根据团队进度调整。

The boss is ___flexible about the project deadline and willing to adjust based on the team's progress.