There are a great many challenges that you have experience in your current position. You may have had to deal with the death of a boss for example as your biggest challenge.
making America a better place
You have to have some background information about the job you are going for, so you can answer this question. You need to say something like: * "My biggest challenge will be to set up the sales department so it is working smoothly and so that the monthly sales figures increase by at least 15%". Or: * "My biggest challenge will be to involve all the staff in the future planning team so that we all know our goals for the year ahead."
working together as agroup or team
The biggest challenge for him is not sounding horrible and repetitive. It is a challenge he still hasn't overcome.
her biggest challenge was facing all of the lies and splitting up of her family
one of the most biggest challengings was fighting for what they wanted.
I think her biggest challenge was one that she couldn't meat. It was her failed attempt to manipulate Octavian into feeling sorry for her and forgiving her.
something
Pneumonia
lie
The Panic of 1837 was Van Buren's biggest challenge. The resulting economic slump was no doubt the biggest factor in his defeat for re-election in 1840.