To hold a post without discharging one's duties and merely draw a salary; to be an idle officeholder living off the public purse.
这位项目经理虽然每天都在办公室，却常常尸禄素餐，导致项目进度一再延误。
Although this project manager is in the office every day, he often holds a post without discharging his duties, leading to repeated delays in project progress.
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