Question

翻译：he did not accept as well founded the charge made by some of his critics

全句是：On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer , he had no power of reasoning.

Answer 1

整句翻译：另一方面，一些批评家指责说，尽管他善于观察，但却不能推理，他对此并不接受且认为毫无根据。
希望帮到楼主。

追问

as well founded 要怎么理解呢？

追答

as well和后面的while相呼应，作用等同于as well as“也”，表并列。found 与后面的by连接，found by some critics，是指 被那些批评家 [发现了] 他的 善于观察却不能推理 这一特点。

Answer 2

他并不是那么充分成立地不接受这一由他的评论家们所作出的对他的指责

as well founded 这个很难理解，我把它理解为修饰accept, 大概是“充分成立”、“很有根据”的意思。