cough up phlegm
常用来描述因感冒或支气管炎等而咳痰。
He coughed up phlegm after the infection.
感染后他咳出了痰。
痰
phlegms — plural of phlegm
冷漠；镇静；迟钝；冷漠,表现为缺乏情感反应；痰,咳出的物质；唾液与呼吸道分泌物的混合物；在古代和中世纪生理学中被认为会导致迟钝；惰性,表现出异常缺乏活力；粘液
Thick mucus from the respiratory passages, often coughed up.
Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing.
冷漠,表现为缺乏情感反应
apathy demonstrated by an absence of emotional reactions
Calmness of temperament, composure; also seen negatively, sluggishness, indifference.
痰,咳出的物质；唾液与呼吸道分泌物的混合物；在古代和中世纪生理学中被认为会导致迟钝
expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
惰性,表现出异常缺乏活力
inactivity; showing an unusual lack of energy
After two weeks of coughing, he finally brought up some phlegm.
咳嗽两周后，他终于咳出了一些痰。
用法提示：phlegm 在此作不可数名词，表示从呼吸道咳出的黏痰。
She could feel phlegm in her throat and tried to clear it quietly.
她能感到喉咙里有痰，便试着悄悄清一清。
用法提示：phlegm 用作不可数名词，指喉咙里的黏痰。
Drinking warm water can make thick phlegm easier to cough out.
喝温水能让浓稠的痰更容易咳出来。
用法提示：phlegm 在此是不可数名词，指黏稠的痰液。
常用来描述因感冒或支气管炎等而咳痰。
He coughed up phlegm after the infection.
感染后他咳出了痰。
比喻用法，表示沉着冷静，有时也指冷漠。
She listened to the criticism with phlegm.
她平静地听着批评。
grammar · medium
易错句子I have a phlegm in my throat.
正确表达I have phlegm in my throat.
phlegm 表示“痰”时是不可数名词，不能用不定冠词 a；去掉 a 后，have phlegm 才符合语法。
grammar · medium
易错句子I coughed out some phlegm this morning.
正确表达I coughed up some phlegm this morning.
英语中“咳出痰”的固定搭配是 cough up phlegm，up 表示从喉咙或肺部向上排出；cough out 不是地道的表达。
针对 phlegm 的“冷漠、缺乏情感反应”义项；passion 指强烈的情感投入，与冷漠相对。
针对 phlegm 的“冷漠、缺乏情感反应”义项；enthusiasm 表示积极的兴趣与热情。
针对 phlegm 的“冷漠、缺乏情感反应”义项；emotion 泛指感情，与无动于衷相反。
针对 phlegm 的“冷漠、缺乏情感反应”义项；concern 表示在意、关切，与漠不关心相对。
phlegm 特指呼吸道咳出的黏液，而 mucus 泛指身体各种黏膜分泌的液体，范围更广。
phlegm 是日常用词，sputum 是医学或化验用语，虽然都指咳出的痰，但语域不同。
phlegm 的“冷漠”义项较陈旧、文学化，而 apathy 是现代常用词，只指情感上缺乏反应，不指痰。
咳痰
The doctor asked him to cough up phlegm for a sample.
医生让他咳出痰来做样本。
浓痰
She has a bad cough and is producing thick phlegm.
她咳嗽得厉害，还咳出浓痰。
清喉咙里的痰
He cleared phlegm from his throat before speaking.
他说话前清了清喉咙里的痰。
痰液分泌
This medicine reduces phlegm production.
这种药能减少痰液分泌。
痰中带血
If you notice blood in the phlegm, see a doctor immediately.
如果你发现痰中带血，要立即就医。
肺里的痰
The X-ray showed phlegm in his lungs.
X光片显示他的肺里有痰。
咳嗽常把痰从呼吸道带出,两者常一同出现。
痰是呼吸道产生的黏液,但痰特指咳出的部分。
痰常产生或通过喉咙排出。
痰源于肺部或支气管的分泌物。
支气管炎常伴有咳痰症状。
Dictionary facts from ECDICT, WIKTIONARY.