on edge 1. 直立着，竖着 I stood the planks on edge. 我把木板竖起来。 2. 紧张不安；烦躁；恼怒 be all on edge 十分紧张不安(或恼怒) Mary is terribly on edge now that her examinations are approaching. 考期越来越近了，玛丽非常紧张不安。 The constant noise set her nerves on edge. 噪声不绝于耳，使她心烦意乱。 She was tired and on edge with Logan. 她很累，并且在生洛根的气。 3. 急切 The children were on edge as they awaited the start of the parade. 孩子们急巴巴地等候游行开始。