1、close up
(通常因离开)关上，关闭
Just close up the shop.
把店关了就好了。
The summer house had been closed up all year.
这座消夏别墅关了整整一年。
(开口、裂缝等)闭合；使合上
Don't use cold water as it shocks the blood vessels into closing up.
不要用冷水，那样会刺激血管闭合。
2、individual
个别的;单独的
They wait for the group to decide rather than making individual decisions.
他们等待团体作决定而不是各自作出决定。
Aid to individual countries would be linked to progress towards democracy.
对个别国家的援助会与其民主进程相挂钩。
独特的;有个性的
It was really all part of her very individual personality.
那其实都是她独特个性的表现。
The language is highly individual.
语言非常独特。
3、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。