1、ambition

梦想；理想

His ambition is to sail round the world.

他的梦想是环球航行。

He harboured ambitions of becoming a Tory MP.

他梦想成为托利党下院议员。

雄心；抱负；野心

Even when I was young I never had any ambition.

即使是年轻时，我也从没有什么雄心壮志。

a mixture of ambition and ruthlessness.

既野心勃勃又冷酷无情

2、invisible

看不见的;隐形的

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。

无形的

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。

被人忽视的;不为人注意的

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。