13 Men are more moral than they think, and far more immoral than they can imagine.
(A) Human morality is imaginary and their imagination unthinkable.
(B) Men are conservative in their thought and obscene in their imagination.
(C) Human beings are unimaginably conservative in their thought and moral in their imagination.
(D) Human thoughts are more conservative, and their behaviors can be more unethical than they think.

Men are more moral道德 than they think, and far more immoral than they can imagine. 

(A) Human morality is imaginary想像中的；虛構的 and their imagination想像力, 幻覺 unthinkable難以想像的，不可思議. 

人類道德是虛構的，他們的想像是不可思議的。

(B) Men are conservative反對改變, 保守的；守舊 in their thought and obscene猥褻的；淫穢的；下流 in their imagination. 

男人思想保守，想像力卑鄙。

(C) Human beings are unimaginable難以想像 conservative反對改變, 保守的；守舊 in their thought and moral in their imagination. 

人類在思想上是保守的，在想像中是道德的。

(D) Human thoughts are more conservative, and their behaviors can be more unethical不道德 than they think. 

人類的思想更加保守，他們的行為可能比他們想像的更加不道德。