challenges
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But the challenges made by other scientists include claims that the video contains shapes and movements which did not fit with normal cell structures or behaviours, and that the cilia seemed to be too big.
From BBC ● Sep. 30, 2026
His international strategy also isn’t without challenges and tricky trade-offs.
From The Wall Street Journal ● Sep. 30, 2026
However UK Interior Minister Shabana Mahmood acknowledged in parliament this month that the deal has "not been without its challenges" and "the numbers are still relatively small".
From Barron's ● Sep. 30, 2026
That finding challenges the usual way scientists interpret thermal stress and provides a new approach for estimating total heat exposure across coastal ecosystems.
From Science Daily ● Sep. 30, 2026
These special challenges served to make African American women leaders more determined than ever to pursue their cause.
From "1919 The Year That Changed America" by Martin W. Sandler
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