When you cough do you bring up any phlegm? 你咳嗽时带痰吗?
When did you first notice blood in your phlegm? 你什么时候开始发现你的痰里有血的?
He has shown considerable phlegm in facing the crisis. 他在面对危机时表现得相当冷静。
but they endured the discomfort with true British phlegm, talking little, and scarcely able to catch a glimpse of each other. 但是，他们以英国人惯有的沉着忍受着这种颠簸。有时候他们谈上一两句，有时候只是相互看看。
