I am glad you are no enemy to matrimony, however.

不过，我很高兴你不是婚姻的敌人。

There was no enemy to fear.

没有敌人可畏惧。

" Whatever he may be, or however he may be qualified for his rank, he now speaks to you and, of course, can be no enemy to dread" .

“无论他是什么人，无论他是否有资格担任他的职位，他现在都在和你说话，当然，他不会是可怕的敌人”。

I will merely observe, in mitigation of our prospective labours, that thinking, however it is to be analysed, is in itself a delightful occupation, and that there is no enemy to thinking so deadly as a false simplicity.

我只会指出， 无论如何分析， 思考本身都是一种令人愉快的职业， 没有比虚假的简单更致命的思考敌人了。