The room was silent. His heart pounded the way it had on their first night together, the way it still did when he woke at a noise in the darkness and waited to hear again—the sound of someone moving through the house, a stranger.
请教句中 at 的用法。
1 韦氏的解释:
at prep. used as a function word to indicate the means, cause, or manner
1) sold at auction
2) laughed at my joke
3) act at your own discretion
2 the freedictionary的解释:
at prep. on account of;because of
e.g. rejoice at a victory
所以,at可表示原因(cause),he因a noise in the darkness而woke。
仅供参考。