avoid：指设法避开不愿见的人或事，也指躲避危险。
I crossed the street to avoid meeting him, but he saw me and came running towards me. 我横穿马路以便避开他，但他看到了我并朝我跑过来。
②逃避
Are you trying to avoid me? 你是不是想躲开我？
①避免；回避
②［律］撤销；废止，使无效
【长难例句】Greater efforts to increase agricultural production must be made if food shortage is to be avoided. 如果要避免粮食短缺，就必须加大力度来增加农业产量。
escape：强调摆脱限制和束缚，暗示能安然逃避，保持不受邪恶有害的东西的损伤或影响。
Two prisoners bungled an escape bid.
两名囚犯越狱未遂。
shun：指对极其反感或讨厌的人或事避而远之，语气较重并较为积极。
They wear simple clothes and shun modern contrivances.
他们穿着简单朴实，拒绝现代装置。
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