bleed

bleed
(pastandpast participle bled )

[noobj.]lose blood from the body as a result of injury or illness
出血，流血
the cut was bleeding steadily.
伤口不断流血。
some casualties were left to bleed to death.
一些伤员被听任流血至死。
[as noun bleeding]the bleeding has stopped now.
流血已经止住了。
■(of a liquid substance such as dye or colour) seep into an adjacent colour or area
（染料，颜料）渗色，渗开
I worked loosely with the oils, allowing colours to bleed into one another.
我漫不经心地画着油画，结果把颜色混到一块儿了。
■[noobj.](Printing)(of an illustration or a design) be printed so that it runs off the page after trimming
(印刷)（插图，图案）被印得超出页面之外，被印得出血
the picture bleeds on three sides.
这幅画被印得三边出血。
■[with obj.](Printing)print and trim (an illustration or a design) in such a way
(印刷)把（插图，图案）印成出血版
[with obj.]draw blood from (someone), especially as a former method of treatment in medicine
（尤指旧时的一种治疗方法）给（某人）放血
■[with obj.](informal)drain (someone) of money or resources
(非正式)从（某人）身上榨取钱财
his policy of attempting to bleed British unions of funds.
他企图榨取英国工会资金的政策。
■[with obj.]allow (fluid or gas) to escape from a closed system through a valve
（通过阀门）放出，泄出（液体，气体）
■[with obj.]treat (a system) in this way
给…放气，泄出…的液体
air can be got rid of by bleeding the radiator at the air vent.
可以用从通气口给散热器放气的办法排除空气。

noun

an instance of bleeding
流血，出血
a lot of blood was lost from the placental bleed.
因胎盘流血而失去大量的血。
■(Printing)an instance of printing an illustration or piece of text so as to leave no margin after the page has been trimmed
(印刷)出血版（指插图或文字被印得过分拥挤，以致在裁剪后无法留出页边空白）
the picture has an unfortunate bleed.
这幅画不巧被印得没有了页边空白。
■[mass noun]the escape of fluid or gas from a closed system through a valve
液体（或气体）逸出（指液体或气体从密封系统阀门向外渗漏）
the amount of air bleed from the compressor.
压缩机所逸出的空气量。
■[mass noun]the action or process of a dye or colour seeping into an adjacent colour or area
（染料或油漆的）渗色
colour bleed is apparent on brighter hues.
较鲜亮的颜色渗色明显。

常用词组
bleed someone dry (或 white)

drain someone of all their money or resources
使耗尽财富，榨干（某人）的钱财

my heart bleeds (for you)

used ironically to express the speaker's belief that the person referred to does not deserve the sympathetic response they are seeking
(讽)我（为你）心碎，伤心（表示说话人认为对方根本不值得同情）
‘I flew out here feeling tired and overworked.’ ‘My heart bleeds for you!’ she replied.
"我是乘飞机过来的，一路上觉得非常劳累。""我真为你伤心。"她答道。

语源

Old English blēdan, of Germanic origin; related to blood

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