在公寓里发现了两个女孩不久前留下的指纹。Fresh prints of both girls were found in the flat.通告是不久前才宣布的。The announcement was made a short time ago.新建好的铁路不久前通车了.The newly built railway line was brought into use not long ago....

“不久前”的英语可以翻译为：not long ago，erewhile ...