exhaust a subject/topic etcTALK TO somebodyto talk about something so much that you have nothing more to say about it 详尽无遗地论述某主题/话题等 Once we’d exhausted the subject of Jill’s wedding, I didn’t know what to say. 我们把吉尔婚礼的每个细节都聊遍之后,我就不知道该说些什么了。
→ exhaust a subject/topic etc at exhaust1(1)