be afraid doing/to do

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8.8 be afraid doing/to do
	be afraid to do　不敢，膽怯去做某事，是主觀上的原因不去做，意爲"怕"； be afraid of doing　擔心出現doing的狀況、結果。 doing 是客觀上造成的，意爲"生怕，恐怕"。 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，而不敢在草叢中再走一步。 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。