I will go on writing in spite of such stupid lapses as “You can't be serious, ” Bill said unbelievingly.

我也会一直写下去，虽说中间曾犯过“‘你不是当真的吧，’比尔不可置信地说”这种蠹错误。

" I don't see any alligator, " she announced, unbelievingly. " Are you sure you saw one, Grace? "

“我没有看到任何鳄鱼，”她难以置信地宣布。 “你确定你看到了，格蕾丝？”