on edge片语KK [ɑn ɛdʒ] /ɑn ɛdʒ/发音片语1紧张、焦躁、不安Everyone was on edge waiting for the test results.大家在等检查结果时都很紧张。2易怒、心烦口语Sorry I snapped—I've been on edge all week.抱歉我刚才口气不好,我这一整周都很烦躁。3竖立、侧立The tiles were stored on edge to save space.瓷砖竖著存放,以便节省空间。用这个字练口说→