No unaccompanied children allowed.

无大人带领的儿童不许进入。

Many of those unaccompanied children are orphans.

那些无人陪伴的孩子里有许多是孤儿。

Unaccompanied bags are either searched or removed.

单独运送的包或被检查，或被移走。

Mere words, unaccompanied by any violence, cannot amount to an assault.

只有言语而未伴随暴力不能算攻击。

The airline had not been searching unaccompanied baggage by hand, but only screening it on X-ray machines.

这家航空公司一直没有手工检查非随身行李，只是在X光机上检查。