assured operation

例句：

1. 1. The surgeon performed the assured operation with precision.
   外科医生以精确度完成了有把握的手术。
2. 2.She was confident in her assured operation.
   她对自己的有把握的操作充满信心。
3. 3. The team worked together to ensure an assured operation for the patient.
   团队共同努力，确保患者的稳妥操作。