Sentence examples for one challenge from inspiring English sources

no one challenge me on this.

One challenge down.

One challenge is funding.

One challenge is literacy.

One challenge is to preserve foreign aid.

One challenge down, Cashman now faces another.

One challenge for Xi is high expectations.

One challenge is  to remain energy efficient.

One challenge: the United States consumer.

One challenge is free agency.

Dirt is just one challenge.