the expectation of A is greater than B or C;

A的期望值大于B或C
that is, the task of A is the easiest."

就是说任务A是最简单的
There's the answer.

这就是答案
So Pepys replied on the sixth of December:

佩皮斯在十二月六日回信说
"You give it in favour of the Expectations of A,

你给了A较佳的期望值
and this (as you say) by an easy Computation.

这是(如你所说)由简单计算得知
But yet I must not pretend to so much conversation with numbers,

不过我不能假装我很熟悉数字运算
as presently to comprehend as I ought to doe,

目前我该做的是努力去理解
all the force of that which you are pleased to

衷心希望
assigne for the reason of it, relating to

你乐于将原因写给我这关系到
their having or not having the benefit of all their chances."

他们是否能从中获得好处
So he wasn't ashamed to admit that he didn't really understand

因此他不羞于承认他并不懂这些