Cough due to a cold or inhaled irritants .

由于感冒或是吸入刺激物引起来的咳嗽。

But there are still irritants .

不过，仍然有令人烦恼的事情。

But small irritants can hurt productivity and build walls between co-workers .

但一些小问题也会影响工作效率，还会在你和同事之间筑起高墙。

Irritants are different from allergens .

不同刺激物引起的过敏反应。

Environmental irritants may cause congested breathing passages and awaken baby .

环境刺激有可能导致宝宝呼吸道不畅并醒过来。