It is difficult to maintain good concentration with so much noise around.
Without stable work, it is difficult to maintain genuine economic well-being.
This is because people consider them too difficult to maintain.
The software was powerful but difficult to maintain due to its complexity.
They found their unruly lawn difficult to maintain during the summer months.
Longer need expensive equipment difficult to maintain and quickly exceeded.
She found it difficult to maintain her prim and proper facade around her old friends.
Elle trouvait difficile de maintenir sa façade guindée autour de ses vieux amis.
It seems difficult to maintain coherence between the actions of departments.
Il semble qu'il soit difficile de maintenir la cohésion entre les ministères.
Otherwise, it's very difficult to maintain community life.
Sinon, il nous est très difficile de maintenir la vie commune.
That gives you extreme flexibility, but it is difficult to maintain.
Cela vous donne une flexibilité extrême, mais il est difficile de maintenir.
It can be difficult to maintain healthy relationships from this position.
Il peut être difficile de maintenir des relations saines partant de cela.
She returned the nonwashable rugs because they would be difficult to maintain.
Elle a retourné les tapis non lavables car ils seraient difficiles à entretenir.
It will thus be increasingly difficult to maintain adequate resources.
Il sera donc de plus en plus difficile de maintenir des ressources suffisantes.