Well, that was delicious! Thanks very much indeed. I know that you are a really good cook.
阿,这顿饭真是太可口了,非常感谢。我知道你是一个非常出色的厨师。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。