Aurora had a difficult time maintaining its success due to the nature of the mines.
The target can cool down during the "off time", thereby maintaining process stability.
The Malian government had a hard time maintaining full control over their country.
She has had a hard time maintaining the house since her husband went into a nursing home four years ago.
"Even I'd have a hard time maintaining control with that display."
Louis had a hard time maintaining eye contact with the man, but he refused to look away.
After the Fall, they'd had a hard time maintaining those links.
Norma had a difficult time maintaining her grip on reality.
She said the man must have spent time each day maintaining the shoes, which show signs of many repairs.
The best results are achieved through open dialogue on all issues, at the same time maintaining respect for the partner.