Sentence examples for be challenging from inspiring English sources

Sleep would be challenging.

Landing can be challenging.

So that will be challenging".

The work can be challenging.

Negotiation can be challenging.

It would be challenging.

They should be challenging me, they should be challenging federations.

But profiting from that may be challenging.

Even then it can be challenging.

But scaling up will be challenging.

The task turned out to be challenging.