be mad about 迷恋;对……狂热 be nervous about 为…感到不安 be particular about 讲究;对…挑剔 be sad about 为…而难过 be serious about 对…是认真的;认真对待 be sure about 对…有把握;确信 be worried about 为…而担心,忧虑 18个常用“be+形容词+for”结构...
39. 克服困难:overcome obstacles/difficulty 40. 面临危险/困难 : be confronted/faced with/in the face of danger/difficulty
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