PETS－2語法講解(24)

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.
　　她生怕被蛇咬著，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。