The 「backyard within a backyard」 was kept obscured from neighbours by an intricate system of tarpaulins, with entry only through a narrow opening shielded by shrubs.
「后院中的后院」由乱七八糟的防水油布遮盖,避开了邻居的视线,出入口只是由灌木遮掩的一条狭窄的缝隙。
He squeezed through a narrow opening in the fence.
他从围栏上的狭窄缺口里挤了过去。
It is surrounded by high mountains on all sides except towards the northeast, where there is a narrow opening in the mountain ranges.
除了东北面,各处都被高山围绕着,而东北面有一个山脉的狭窄缺口。