be afraid to do 不敢,胆怯去做某事,是主观上的原因不去做,意为怕,be afraid of doing 担心出现doing的状况、结果。doing 是客观上造成的,意为生怕,恐怕.例如:
She was afraid to step further in grass because she was afraid of being bitten by a snake.
她生怕被蛇咬着,不敢在草丛中再走一步。
She was afraid to wake her husband. 她不敢去叫醒她丈夫。
She was afraid of waking her husband. 她生怕吵醒她丈夫。
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2017届高考英语一轮复习全册课件:必修1 1.2《challenging yourself》Ⅱ《talking about schools》(重大版)
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2017届高考英语一轮复习分课测试:选修8 Unit3《inventors and inventions》(新人教版含答案)
2017届高考英语一轮复习分课测试:选修6 Unit4《global warming》(新人教版含答案)
2017届高考英语一轮复习分课测试:必修5 Unit3《life in the future》(新人教版含答案)
2017届高考英语一轮复习分课测试:选修6 Unit5《the power of nature》(新人教版含答案)
2017届高考英语一轮复习分课测试:选修8 Unit2《cloning》(新人教版含答案)
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2017届高考英语一轮复习全册课件:必修1 1.1《challenging yourself》Ⅰ《how to improve your study habits》(重大版)
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2017届高考英语一轮复习分课测试:选修7 Unit3《under the sea》(新人教版含答案)
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2017届高考英语一轮复习单元演练:选修6模块综合练习(外研版含答案)
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