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be abundant in富于，富有 be acquainted with与相识，熟悉 be afraid of恐怕，害怕，担忧 be angry at因某事生气 be anxious about担心，为担忧 be anxious to渴望 be aware of意识到 be bad at拙于，不善于 be based on根据，以为基础 be accustomed to习惯于 be active in积极于 be alive to发觉，感觉，对敏感 be angry with对...发怒 be buried in沉思，陷入，专心于 be busy忙着 be busy about忙于... be careful to务必注意 be certain to一定，必然 be confident in对有信心 be clever at擅长于 be composed of由组成 be connected with与有关 be covered with被覆盖 be anxious for急切盼望，渴望 be ashamed of为感到害臊 be about to即将，正要 be beside oneself忘乎所以 be badly off生活穷困 be bent on热恋于，一心想 be better off处境较好，情况好转 be born in出生于... |
