Bodyguards work at the side of the person they protect. They must understand his needs and at the same time, not disturb him. It is a fine line to tread and learning how is one of the great challenges of the job.
侍衛官的工作是隨侍在側，也就是要覺察老闆的需要，卻不能干擾他，其中分寸的拿捏，是門大學問。