1. ex- => es- => as- "out" + ton- "thunder" + -ish + -ing.
2. 这里的 as- "out" 取引申义，表示：离开、脱离正常的状态或情绪或表情。
3. 字面含义：thunder sb out. => leave someone thunderstruck.
4. 或者：out: 出去、离开、远离。=> 不管。=> 听任、让、使…处于(某种状态)(leave)。

1. He can perform an astonishing variety of acts, including mime and juggling.

他能表演好几种令人惊叹的把戏，包括哑剧和玩杂耍。

来自柯林斯例句

2. I find life more charming and more astonishing than I'd ever dreamed.

我发现生活比我想象的更迷人、更不可思议。

来自柯林斯例句

3. Interviews with politicians were juxtaposed with news items of quite astonishing triviality.

对政治家的访谈与内容相当耸动的八卦新闻放在同一个版面。

来自柯林斯例句

4. He became famous as an inventor of astonishing visual and aural effects.

他因发明了神奇的视听效果而出名。

来自柯林斯例句

5. His ability to absorb bits of disconnected information was astonishing.

他吸收利用互不相关的零碎信息的能耐惊人。

来自柯林斯例句