He recognizes more clearly than other men what he is letting himself in for and does not reproach her for any failings.
他承认比其他人更清楚他所让自己从事的事情,而且没有责备她的任何过失.
简单一点就是：
他承认比其他人更清楚他所做的事,而且没有责备她的任何过失.