D: Does the pain come on in the night? come on: to start If a cold headache, or some other medical condition is coming on, it is just starting eg. I felt a cold coming on.我觉 得开始感冒了D: Does the pain come on in the night? come on: to start If a cold, headache, or some other medical condition is coming on, it is just starting. e.g. I felt a cold coming on. 我觉 得开始感冒了