The lines were so finely etched as to be invisible from a distance.

线条被蚀刻得如此精细，在远处看都看不见。

The belt is invisible even under the thinnest garments.

这种腰带即便在最薄的衣衫下都看不出来。

Parents fear they might overstep these invisible boundaries.

父母担心他们可能会逾越这些无形的界限。

Her father's face had suddenly tightened as though he was being strangled by invisible hands.

她父亲的脸突然僵硬了,仿佛是被无形的双手扼住了脖子。

It was strange, how invisible a clerk could feel.

一名办事员会感到如此受人忽视，令人觉得不可思议。

The problems of the poor are largely invisible.

穷人的问题大多不受重视。

...The Invisible Man.

《隐形人》

Tourism is Britain's single biggest invisible export.

旅游业是英国最大的一项无形输出。

The revenue from tourism is the biggest single item in the country's invisible earnings.

旅游业收入是该国无形收益当中最大的一项。

The invisible trade surplus was £200 million lower than reported.

无形贸易盈余比报道所称的少 2 亿英镑。