sheer, impertinence, unaware, take sb unawares

1. Homeless woman found dead at Hong Kong McDonald’s 24 hours after she sat down as unaware customers a

He dismisses John Maynard Keynes as an “English intellectual”, in whom it was impertinence to offer advice to an American president, apparently unaware that Keynes was a player at the Paris peace conference.

轉載台灣蘋果日報

"Stormy Weather 狂風暴雨天氣

The forecasters had warned people it was coming. But the sheer spectacle of the stormy weather took everyone by surprise. This was the scene on the South Coast 8th December as gale force storms battered Britain, bringing chaos to roads and rail and threatening homes with more floods.

氣象預報已警告民眾將有暴風雨來臨，但暴風雨的強勁仍讓大家感到意外。這是12月8日英國南部海岸遭狂風暴雨吹襲的景象，風雨導致鐵公路交通紊亂，民宅也面臨洪水威脅。 "


hc注解
take sb unawares (ALSO take sb by surprise)
to surprise someone:
The sudden noise took her unawares.


sheer (COMPLETE) Show phonetics
adjective [before noun]used to emphasize how very great, important or powerful a quality or feeling is; nothing except:
The suggestion is sheer nonsense.
His success was due to sheer willpower/determination.
It was sheer coincidence that we met.

(from Cambridge Advanced Learner's Dictionary)

impertinent Show phonetics
adjective
rude and not respectful, especially towards someone older or in a higher position than you:
I hope he didn't think me impertinent when I asked him about his private life.
an impertinent remark/question

impertinently Show phonetics
adverb

impertinence Show phonetics
noun [C or U]
She even had the impertinence to lecture Loretta on how to be the wife of an eminent clergyman.

im・per・ti・nent

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━━ a. 生意気［無礼］な ((to)); 不適当な, 見当違いな, 無関係の ((to)).
im・per・ti・nence, im・per・ti・nen・cy　━━ n.
im・per・ti・nent・ly　━━ ad.