「佢做嘢好錫身」英文點講呀？

He does not put in his utmost effort, especially where physical strength is required.

「佢做嘢好錫身」英文點講呀？

He is well protected by doing anything.

or
He is well protected before doing anything.

Your further explaination is needed;
(1)not taking any risks;
(2)utmost caution herself.

2012-07-18 23:49:17 補充：
Sorry;it should be "explanation".

2012-07-31 12:29:21 補充：
physical strength,physical contact.

可唔可以解一解你認為「錫身」係指乜嘢呢？

2012-07-21 13:35:46 補充：
He would not does harm to himself in a job.

2012-07-21 13:36:58 補充：
He always plays safe in a job.