He have a bad dry cough.

他咳的很历害，是干咳。

youdao

The cough is just dry cough, but very persistent, nothing seems to work.

这个咳嗽是一种干咳，但是就是一直治不好，什么药都没什么疗效。

youdao

Excess of toil wore out Fantine, and the little dry cough which troubled her increased.

过度的操劳使芳汀疲乏了，她原有的那种干咳病开始恶化。

youdao

The United Kingdom Health Protection Agency warned that the ash could cause itchy eyes,a runny nose, sore throat or dry cough.

VOA: standard.2010.04.16

He had a dry cough, which I put down to all the smoke in the control car.

NPR: Excerpt: 'Skybreaker'

She said that Mrs Ward had complained of a "dry, tickly cough" in October 1998, but she could find nothing abnormal.

BBC: NEWS | UK | England | Merseyside | GP 'failed to diagnose cancer'

The nasal drainage associated with colds can hasten dehydration, and some over-the-counter cold remedies containing antihistamines (many cough syrups, for instance) can dry you out further, Dr. Rosenbaum points out.

CNN: Signs you're too sick to work out