cough

• 指从肺部突然用力排出空气的动作或声音，常由刺激、反射或疾病引起，也可指咳嗽这一症状。

A noun referring to the act or sound of expelling air from the lungs with a sudden, sharp noise, often as a reflex or symptom of illness.

1. Respiratory reflexA2formalmedical

   A sudden, forceful expulsion of air from the lungs through the mouth, often due to irritation or illness.

   咳嗽

   • He had a dry cough that kept him awake all night.
   • The doctor listened to her cough with a stethoscope.
   • A persistent cough can be a sign of an infection.

   同义词barkhack

2. Sound of coughingA2informal

   The audible sound produced when someone coughs.

   咳嗽声

   • I heard a loud cough from the back of the room.
   • She gave a polite cough to get his attention.
   • The cough echoed in the empty hallway.

   同义词coughinghack

• 动词，指用力将空气从肺中排出，发出短促、突然的声音，通常因喉咙或呼吸道受刺激或生病所致。也指通过咳嗽排出痰或其他异物。

A verb used to describe the act of expelling air from the lungs with a sudden, sharp sound, often due to irritation or illness.

1. Expel air from lungsA2formal

   To force air out of the lungs with a sudden, sharp sound, often due to illness or irritation.

   咳嗽

   • He coughed loudly during the concert.
   • She coughed to clear her throat before speaking.
   • The patient coughed repeatedly due to the infection.

   同义词hack

2. Make a coughing soundB1informal

   To produce a sound similar to a cough, often to attract attention or express disapproval.

   咳嗽

   • He coughed to signal his presence.
   • She coughed politely to interrupt the conversation.
   • The audience coughed impatiently during the long pause.

   同义词ahemhawhem

短语动词变体cough outcough up