Sentence examples for difficult and challenging from inspiring English sources

This is the most difficult and challenging.

At first, this film certainly promises something difficult and challenging.

Particularly when things are very difficult and challenging.

Frequency forecast in a power system is difficult and challenging.

(UNKNOWN): If I may interject, judge, they find you difficult and challenging more than your colleagues.

There is no doubt that getting a college degree can be quite difficult and challenging.

The events of the last year have been really difficult and challenging.

These limitations make the design of such flooding projects very difficult and challenging.

However, to offer effective and reliable multicast routing is difficult and challenging.

Yet, developing these tools in practical applications is new to the industry, difficult and challenging.

Management of the unstable shoulder after a failed stabilization procedure can be difficult and challenging.