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be involved with涉及 be sick of对...感到厌倦 be strict with对要求严格 be taken by surprise被突袭 be lost in thought沉思 be tired from因...而疲乏 be tired out疲倦极了 be worse off处境较坏，情况恶化 be wrong with有点毛病，有些不舒服 be used to习惯于 be useful to对有用 be wild with joy欣喜 be worried about为而担心 be worth值得 be glad to乐于，对感到高兴 be good at善于，擅长 be true of适用于 be unequal to无法胜任...的 be united as one团结一致 be used as被用作 |
