From a dark corner of the slum a shadow was creeping silently out, like a thieving little dog nosing around, trying to find an unguarded break in the police cordon.

从这草棚区域的阴深处，一个黑影子悄悄地爬出来，像偷食的小狗似的嗅着，嗅着，——要嗅出那警戒网的疏薄点。