n. a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis
v. exhale abruptly, as when one has a chest cold or congestion
n. 咳嗽
vi. 咳嗽
vt. 咳出
1. I have a bad cough and need to see a doctor.
我有严重的咳嗽，需要去看医生。
2. She coughed loudly during the movie, which disturbed everyone.
她在电影期间大声咳嗽，打扰了所有人。
3. When you cough, it's polite to cover your mouth.
当你咳嗽时，掩住嘴巴是礼貌的做法。