- a dark area or shape produced by a body coming between rays of light and a surface阴影, 背光处; 影子：
trees cast long shadows.
树投射出长长的影子。
- mass noun partial or complete darkness, especially as produced in this way（尤指阴影形成的）阴暗, 黑暗：
the north side of the cathedral was deep in shadow
大教堂的北面一片阴暗
(shadows) a stranger slowly approached from the shadows.
一个陌生人从阴暗处慢慢走近。
- mass noun the shaded part of a picture（图画的）阴影区, 暗部。
- a dark patch or area on a surface（表面的）黑斑, 阴暗区：
there are dark shadows beneath your eyes.
你下眼圈有黑晕。
- a region of opacity on a radiograph（射线照片上的）阴影：
shadows on his lungs.
他肺部的阴影。
- figurative used in reference to proximity, ominous oppressiveness, or sadness and gloom〈喻〉阴影（指临近, 不祥的压抑感、悲伤和忧郁）：
the shadow of war fell across Europe
战争的阴影笼罩着整个欧洲
only one shadow lay over Sally's life.
萨莉生活中只有一小片阴影。
- used in reference to something insubstantial or fleeting幻影（用于表示虚幻或短暂）：
a freedom that was more shadow than substance.
虚幻而无实质内容的自由。
- used in reference to a position of relative inferiority or obscurity阴影（用于表示地位低下或默默无闻）：
he lived in the shadow of his father.
他生活在父亲的阴影中。
- with negative the slightest trace of something丝毫：
she knew without a shadow of a doubt that he was lying.
她万分清楚他是在撒谎。
- a weak or inferior remnant or version of something残余; 痕迹：
this fine-looking, commanding man had become a shadow of his former self.
这位英俊威严的男子衰弱得不成样子了。
- an expression of perplexity or sadness茫然; 悲伤：
a shadow crossed Maria's face.
玛丽亚脸上掠过一丝忧伤。
- an inseparable attendant or companion形影不离的伴侣; 追随者：
her faithful shadow, a Yorkshire terrier called Heathcliffe.
她形影不离的忠实伴侣, 一只叫希斯克里夫的约克郡。
- a person secretly following and observing another暗地跟踪者, 尾随者; 钉梢的人。
- a person that accompanies someone in their daily activities at work in order to gain experience at or insight into a job（跟随别人学习的）实习生。
- usu. as modifier Brit. the opposition counterpart of a government minister〈英〉影子内阁成员：
the shadow Chancellor.
影子内阁大臣。
- （常作 be shadowed）envelop in shadow; cast a shadow over被…阴影笼罩; 投阴影于：
the market is shadowed by St Margaret's church
市场被圣玛格丽特教堂的影子笼罩着
a hood shadowed her face.
风帽遮住了她的脸。
- follow and observe (someone) closely and typically secretly暗地跟踪, 尾随; 钉…的梢：
he had been up all night shadowing a team of poachers.
他整晚上都没睡, 一直在暗地跟踪一伙偷猎者。
- Brit. (of an opposition politician) be the counterpart of (a government minister or a ministry)〈英〉（反对党成员）担任影子内阁大臣。
- accompany (someone) in their daily activities at work in order to gain experience at or insight into a job跟随…工作, 当…实习生（以取得经验或了解某工作）。
be frightened of one's shadow
- be very timid or nervous极其胆小; 非常紧张。
wear oneself to a shadow
- completely exhaust oneself through overwork（因过度劳累）使自己精疲力竭。