He’s a kind of unofficial adviser,but I’m not sure exactly what he does.

他像是个非官方顾问,但说不好他究竟是干什么的。

It was an unofficial visit so the guests didn’t get the usual red carpet treatment.

由于是非官方问，所者没有受到通常的贵宾级招待。

The channeling of E.U. funds to the Palestinian Authority to unofficial or semiofficial accounts was a bone of contention that often troubled many an honest official of the Union.

困扰许多诚实的欧盟官员的一个争端是，是否应该将欧盟的资金打到巴勒斯坦当局的非官方或半官方账户上。