一到换季的时候，我的老毛病就容易发作，鼻炎和咳嗽轮番出现。
Whenever the seasons change, my old ailment tends to flare up, bringing on alternating bouts of rhinitis and coughing.
Whenever the seasons change, my old ailment tends to flare up, bringing on alternating bouts of rhinitis and coughing.