您的问题很简单.呵呵.百度知道很高兴帮助您解决您提出的问题.
原句：she felt for her keys but was unable to find them
翻译：她感觉到她的钥匙,但无法找到他们.

She felt for her keys, but was unable to find them, because she was so frightened.
随后她开始摸索着找钥匙,但是因为害怕,一直找不到.
百度知道永远给您最专业的英语翻译.