zhè gè / zhí wèi / yǐ jīng / xū wèi yǐ dài / bàn nián / le / réng / wú rén / shèng rèn

这个职位已经虚位以待半年了，仍无人胜任。

This position has been left vacant for half a year, and no one is yet able to fill it.