Sentence examples for a stiffer challenge from inspiring English sources

The Internet, however, presents a stiffer challenge.

Actually, lawyers and accountants alike face a stiffer challenge from algorithms used in "deep learning".

The Australians would have faced a stiffer challenge from a Victorian Premier Cricket 2nd XI outfit.

Clearly, JetBlue poses a stiffer challenge to Southwest than the traditional airlines do.

And tonight they gave the Russians a stiffer challenge than expected.

At the end of Caracortado's 2-year-old season, Machowsky knew it was time for a stiffer challenge.

A stiff challenge!

That could prove a stiff challenge.

Making a functioning test a reality was a stiff challenge.

New Hampshire faced a stiff challenge from Northeastern on Friday.

Still, Mr. Samaras faces a stiff challenge in pushing those measures through his shaky coalition government.