cough /kɒf/ star3 CET4 TEM4 (coughing,coughed,coughs)

• 1.  

  V-I（不及物动词） When you cough, you force air out of your throat with a sudden, harsh noise. You often cough when you are ill, or when you are nervous or want to attract someone's attention. 咳嗽

  例：

  Graham began to cough violently.

  格雷厄姆开始剧烈地咳嗽。

• 2.  

  N-COUNT（可数名词） Cough is also a noun. 咳嗽

  例：

  Coughs and sneezes spread infections much faster in a warm atmosphere.

  咳嗽和喷嚏在温暖的空气里传播疾病快得多。

• 3.  

  N-UNCOUNT（不可数名词） coughing 咳嗽

  例：

  He was then overcome by a terrible fit of coughing.

  之后他一阵剧烈咳嗽，咳到无法控制。

• 4.  

  V-T（及物动词） If you cough blood or mucus, it comes up out of your throat or mouth when you cough. 咳出 (血、痰等)

  例：

  I started coughing blood so they transferred me to a hospital.

  我开始咳血，所以他们把我送到了一家医院。

• 5.  

  PHRASAL VERB（动词词组） Cough up means the same as . 咳嗽

  例：

  On the chilly seas, Keats became feverish, continually coughing up blood.

  在寒冷的海边，济慈开始发烧，不断地咳血。

• 6.  

  N-COUNT（可数名词） A cough is an illness in which you cough often and your chest or throat hurts. 咳嗽

  例：

  I had a persistent cough for over a month.

  我持续咳嗽已经一个多月了。