Sentence examples for very difficult to maintain from inspiring English sources

It's becoming very difficult to maintain educational standards.

It's very difficult to maintain a peak performance".

Not very difficult to maintain and the patient can walk around with it.

But it's very difficult to maintain quality, especially as you grow bigger".

The lift can carry those goods, is easy to make and not very difficult to maintain.

"It is very difficult to maintain and environment of openness without frequent exposure to competing ideas.

"It was very difficult to maintain both things, and something's got to give," Mr. Marcowitz said.

"Sport has a moral side, and although it's very difficult to maintain it, it's worthwhile.

The site is very difficult to maintain, and it isn't S.E.O.-friendly at all.

Ms Wharf argued that "Chinese walls are very difficult to maintain at a lobbying business".

But wooden building are very difficult to maintain and so, instead of restoring them, the city authorities turn to demolition.