How could you possibly comprehend the difficulties of my situation? 你怎么可能理解我的难处呢？

+that Laura gasped, hardly able to comprehend that her brother’ s life was in danger. 劳拉深吸一口气，几乎无法理解她哥哥有生命危险。

fully comprehend We fully comprehend people’ s anxieties. 我们完全理解人们焦急的心情。