be burned out住所被燒光
be busy with忙于…
be careful of愛惜，注意
be born of出生于…（家庭)
be buried in沉思，陷入，專心于
be busy（doing)忙著（做某事)
be busy about忙于……
be careful to（do)務(wù)必注意（做)
be certain to（do)一定（做)，必然（做)
be confident in對…有信心
be clever at擅長于
be composed of由…組成
be connected with與…有關(guān)
be covered with被…覆蓋
be curious to（do)很想（做)
be derived from由…得到
be capable of能夠
be characterized by以…為特征
be combined with與…結(jié)合
be concerned about關(guān)心，掛念
be coupled with與……配合
be crowded with擠滿，擁塞
be dependent on/upon取決于，依賴
be determined to（do)決心（做)
be different from與…不同
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