9点钟后你想在那家餐馆吃点东西，你几乎得低三下四地求他们才能办得到。 If you wanted something to eat after nine o'clock in that restaurant you almost had to go down on your knees and beg for it.
看到小斯蒂文森低三下四地讨好教授实在是恶心，更何况我们都知道那老头是多么地厌恶和鄙视他。 It was sickening to watch young Stevenson trying to ingratiate himself with the professor, knowing as we did how much the old man detested and despised him.