Meaning of ké sou:
ké sou
咳嗽
Verb
to cough
Tā yīn wèi gǎn mào yī zhí zài ké sou.
她因为感冒一直在咳嗽。
She has been coughing continuously because of the cold.
Noun
CL:陣|阵[zhen4]
Tiānqì lěng, wǒ kāishǐ késou le.
天气冷,我开始咳嗽了。
The weather is cold, and I have started coughing.