sheer/ʃɪr; ʃɪə/ adj [only before noun 仅用于名词前] 1 a word meaning complete or only, used when you want to emphasize what you are saying 纯粹的，全然的〔用于强调〕: I think I won by sheer luck! 我觉得我取胜全凭运气！ 2 used when you want to emphasize how big something is, or how many of something there are 〔用于强调某物之大或数量之多〕: The impressive thing about Alaska is its sheer size. 阿拉斯加令人叹为观止之处就是它的地方之大。 3 extremely steep 陡峭的，垂直的: a sheer drop 垂直的落差