a kind of living thing

"Once Franklin answered him like this:" a gentleman is a kind of living thing.

富兰克林一旦如此回答他：“一个绅士是一种有生命的东西。”

And it is the hardest thing to do when you're living with not just a racial secret, any kind of secret.

并且当你生活在种族秘密中或者其他任何秘密中时那也是最那做到的事。

Each living thing is adapted to its way of life in a general way, but each is adapted especially to its own distinct class (kind).

每一个生活的事情是适合其生活方式的一般方法，但每个适合特别是它自己的独特的类(种类)。