(1) 流(出)血 (lose blood as a result of injury)[I]：His nose/His wound/The cut on his finger was～ing badly.他的鼻子/伤口/手指上的刀口在一个劲地流血。He was～ing badly/heavily from a cut. 他的刀伤止不住地流血。I bled a lot when I cut my hand.那次我割了手，流了不少血。～to death 流血至死;

(2) 流血牺牲 (suffer wounds or die (for a cause， one's country))[I， I+prep(for)](fig)：～for the revolution/one's country为革命/祖国而流血牺牲;

(3) 痛心，悲痛 (feel pity or sorrow) [I+prep(for)]：Her heart～s for the unhappy child. 她的心为那个不幸的孩子而悲痛。My heart～s for you in your distress.你遇到危难，我的心深感痛切。

(4) 放血 (draw blood out of sb) [T+n]：Doctors used to～their patients to try to cure their illness.从前的大夫给病人放血以期治病。

(5) 榨取，敲榨 (make sb give one money for no just reason)[T+n， T+n+prep(for)](infml)：～sb for 1000 敲诈某人1000美元;～sb for every penny he has/all his money榨尽了某人的一分一厘/所有的钱;～sb white把某人的钱榨光;

(6) (植物)流出液汁 ((of a plant) lose sap or juice from a wound) [I];

← blood n;

→′bleeder n 易流血者;人，家伙′bleeding adj 嗜血的;′nosebleed n 鼻出血