求翻译：对被评估员工的工作表现要有充分的了解，在考评前应认真做好准备，以酒店对员工的经营业绩指标及相关的管理指标，和员工实际工作中的客观事实为依据，是什么意思？

On the employee's work performance is assessed to have a full understanding of the evaluation should be carefully prepared prior to the hotel's operating performance indicators for staff and related management indicators, and staff actually work based on objective facts,

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To was appraised staff's work performance must have the full understanding, should prepare for earnestly before the examination and critique, take the hotel to staff's management achievement target and the correlation management target, with the staff practical work in fact as the basis,

To assess employee performance is to have a full understanding, before the assessment should be carefully prepared, with hotel staff operating performance indicators and related management indicators, and the objective facts in the staff working on the basis of

To was appraised staff's work performance must have the full understanding, should prepare for earnestly before the examination and critique, take the hotel to staff's management achievement target and the correlation management target, with the staff practical work in fact as the basis,