I was astounded at how really useful “thematic thinking” turned out to be.

发现“主题思考”居然这么有用，让我大吃一惊。

Perhaps it was told him more directly in letters from his sister in Jonesboro who was astounded at his marriage.

但也可能是他在琼斯博罗的妹妹听到他结婚的消息后大吃一惊，直接写信告诉他的。

From there, they went to Niagara Falls where Helen was astounded at the power of the vibrations caused by the massive pounding waters.

她们从那里去了尼亚加拉瀑布，海伦对巨大的冲击水引起的振动的力量感到震惊。

At the peak of the Gilded Age bird hat craze, famed ornithologist Frank Chapman was astounded at the variety of species he observed on the streets in 1886.

在镀金时代鸟帽热潮的顶峰时期，1886 年，著名的鸟类学家 Frank Chapman 惊讶于他在街上观察到的鸟类数量之多。