...In the club, in the theatre, wherever he went, the people were talking about purchases of lands, of sales of stock, of quick negotiations with a triple profit, of portentous balances... 
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...The Musungu's camp was visited by two crawling thieves, but they were soon made aware by the portentous click of a trigger that the white man's camp was well guarded...
Henry M. Stanley 「How I Found Livingstone」
...By means like these,Antonio acquired for his son a portentous celerity of hand, from whichquality he has been called il Fulmine della pittura...
Luigi Antonio Lanzi Thomas Roscoe 「The History of Painting in Italy, Vol. 2 (of 6)」
...It is the strata at the bottom of thegeological scale that are of the most portentous thickness, and the onlyorganism suspected in them is the doubtful Eozoon Canadense...
Oliver Lodge 「Pioneers of Science」
...andthe sky looked more portentous of rainy weather than we had ever seen iton this journey...
Thomas Mitchell 「Journal of an Expedition into the Interior of Tropical Australia」
ランダム例文：
different clearly clamor
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