I should lie off if I were you, his scheme doesn't seem sound.假如我是你，我就不沾边，他的计划似乎不妥。Their romance is tangential to the book's main plot.他们的爱情故事和这本书的主要情节基本不沾边。He is highly disdainful of anything to do with the literary establishment.他对任何与文学界权威沾边的事情都嗤之以鼻。