We couldn't wash in the height of summer.

我们在盛夏不能洗澡。

It led me aslant over the hill, through a wide bog, which would have been impassable in winter, and was splashy and shaking even now, in the height of summer.

它带我斜翻过山，穿过一片宽阔的沼泽地，这沼泽地在冬天是无法逾越的，即使在盛夏时节，水花飞溅，摇摇欲坠。