Sentence examples for challenging doing from inspiring English sources

But it was challenging doing both lines separately, because unlike bigger brands, I'm designing everything myself.

Although the knock-in of large fragments, such as a CAR in T cells, remains challenging, doing so is desirable for therapeutic application and needs further exploration.

While asking for money can be very challenging, doing it well is a valuable and important skill that organizers will then use in other areas of their lives.

"It is very tiring and challenging doing this work," she says.

What challenges did that present?

What challenges did you encounter?

What challenges did they face?

What challenges did you face?

What challenges does RRI face?

What challenges do you still face?

What challenges did the group face?