不他不是我的用英文怎么表达？

他朝斯莱特利眨了眨眼睛，斯莱特利悲伤地说：“我不这么认为。”好像他希望事情不是这样的。

He winked at Slightly, who said mournfully, "I don't think so," as if he wished things had been otherwise.

我必须告诉林惇，我不写信不是我的错，我要让他知道我是不会变心的。

And I must tell Linton it is not my fault that I don't write, and convince him that I shall not change.