甩手掌柜 shuǎishǒu-zhǎngguì
[a master asks only others to do, but without himself] 〈方〉∶比喻只指挥别人,自己什么事也不干的人
大陆地区指对部属采取放任态度的上级干部或部门。
英语 lit. arm-flinging shopkeeper, fig. sb who asks others to work but does nothing himself