他有时候还会担心她无法把握世界自那时以来所发生的变化程度。
He still worried sometimes that she failed to grasp the extent of the world's change since then.
一个人的成熟与否不是仅仅是年龄，或许过多的是指认识情感与把握情感的深浅程度。
Sophisticated or not a person's age are not just, perhaps too many are referring to awareness of emotions and grasp the extent of emotion.
令科学家更为忧心的是一些科学家对“最为惨烈的地震”破坏程度由多大没把握。
More worrisome, some scientists are not sure the “worst-case earthquake” is as bad as it could get.
应用推荐