be on the point of sth / doing 在….的关头或者阶段 26. be on the edge of sth 濒于,几乎,在边缘 如: The standard of living today is on the edge of subsistence . 现在的生活水平几乎快要无法维持生计。 She was on the edge of tears. 她泪水盈眶。 27. magni...