Elderly people commonly know enough not to betray themselves.

老年人通常都知道不会背叛自己。

" And in those big blue eyes, which are lowered so slowly when one would think they were on the point of betraying themselves, " answered his neighbour.

“还有那双蓝色的大眼睛， 当人们认为它们快要背叛自己时， 它们会慢慢地垂下， ” 他的邻居回答说。

He found them under the floor of the barn; they had crept in as far as they could, hiding away invisibly, but betraying themselves by an anxious whispering.

他在谷仓的地板下找到了它们。 他们尽可能地悄悄潜入， 隐蔽地躲藏起来， 但焦虑的窃窃私语暴露了他们自己。

But Rosamond was not one of those helpless girls who betray themselves unawares, and whose behavior is awkwardly driven by their impulses, instead of being steered by wary grace and propriety.

但罗莎蒙德并不是那些无助的女孩中的一员，她们在不知不觉中背叛了自己，她们的行为笨拙地被她们的冲动所驱使，而不是被谨慎的优雅和礼节所引导。