She looks disconcertingly like a familiar aunt or grandmother.

她像一位熟悉的阿姨或奶奶，令人感到困惑。

《柯林斯英汉双解大词典》

Nederland is a place to relax. The area is disconcertingly quiet.

荷兰村是一个放松的好地方，十分的安静。

youdao

which, rather disconcertingly, produces a (non-)comment that looks like this

令人不安的是，这会产生像这样的（非）评论

youdao

Disconcertingly few Americans actually fit that description, at least among those who want to be truckers.

ECONOMIST: Gridlock on the rails, roads and ports of America

Both fruits reach and surpass their peak disconcertingly quickly, between late spring and mid-summer.

NPR: Cherries on Top

Even by the standards of most big American cities, Oklahoma City's centre is still disconcertingly empty.

ECONOMIST: Oklahoma��s capital three years on