他的高尔夫球落入了沙坑，需要多打一杆才能出来。

His golf ball got ___bunkered in the sand trap, requiring an extra stroke to get out.

士兵们在掩体中保持防御姿态。

The troops remained ___bunkered in their defensive positions.

项目失败后，团队陷入了困境，找不到解决方案。

After the project failed, the team was ___stuck with no solution in sight.