The adverb of 'startling': to a degree that makes you stop and take notice. Its main job is to sit in front of an adjective and push it up, while adding 'and that is hard to believe' — startlingly similar, startlingly beautiful, startlingly honest, startlingly low prices. Think of it as a more dramatic 'very' that also comments on the fact.

The adverb of 'startling'是'startling'的副詞: to a degree that makes you stop and take notice意思是到了一個讓你停下來、特別注意的程度。Its main job它主要的功能 is to sit in front of an adjective是放在形容詞前面 and push it up把語氣加強, while adding 'and that is hard to believe'同時再加上「而且這讓人難以置信」的意味 — startlingly similar像 startlingly similar（出奇地相似）, startlingly beautiful startlingly beautiful（出奇地美）, startlingly honest startlingly honest（出奇地誠實）, startlingly low prices或 startlingly low prices（出奇地低的價格）。Think of it as把它想成 a more dramatic 'very'一個更戲劇化版本的'very'（很）, that also comments on the fact而且還帶著對這件事的評論。

It is very common with words about likeness and difference ('startlingly alike'), with numbers ('startlingly high'), and with frankness ('she was startlingly direct about her salary'), where it signals that the honesty went further than was expected. It can also modify a whole clause at the front of a sentence — 'Startlingly, no one had checked the figures' — meaning the writer finds this hard to believe.

It is very common它很常出現 with words about likeness and difference在講相似和差異的詞前面 ('startlingly alike')（像'startlingly alike'／出奇地相似）, with numbers也用在數字前面 ('startlingly high')（如'startlingly high'／出奇地高）, and with frankness還用在講坦白的詞前面 ('she was startlingly direct about her salary')（如'she was startlingly direct about her salary'／她談自己薪水時坦白得驚人）, where it signals that the honesty went further than was expected這時它是在表示對方的坦白超乎預期。It can also modify它也可以修飾 a whole clause整個子句 at the front of a sentence放在句子的最前面 — 'Startlingly, no one had checked the figures'像「Startlingly, no one had checked the figures」（令人吃驚的是，居然沒人核對過數字） — meaning the writer finds this hard to believe意思是作者覺得這件事難以置信。

It belongs to careful writing rather than chat; in speech people say 'surprisingly' or just 'really'.

It belongs to它比較屬於 careful writing rather than chat講究的書面語，而不是閒聊; in speech在口語裡, people say 'surprisingly'人們會說'surprisingly'（令人驚訝地） or just 'really'或乾脆說'really'（真的）。