Sentence examples for concentrates is difficult from inspiring English sources

Nonetheless, the effectiveness of the different concentrates is difficult to elucidate due to the great variability in study designs, different regimens of materials used (graft, membrane, or combination), surgical techniques, and so forth.

"But it's a difficult business, because concentrating is difficult".

"But it's a difficult business, because concentrating is difficult". Several prominent Italians have appealed to him not to leave his homeland, saying it would represent a victory for the mob.

Concentrating is difficult, as my mind will either wonder or lose track of what is going on.

Concentrating on one child is difficult enough to concentrate on more would spread your attention thin.

"It is difficult to concentrate a life down to two hours.

It is difficult to concentrate when there is a possibility that I will be taken by surprise.

It is difficult to concentrate with lorries continually going past, and when people are stone-cutting, you get covered in dust.

It is difficult to concentrate on the music -- which as I recall is supposed to be the whole point -- when looking at a massive screen showing a close up of the conductor perspiring freely or a similarly tight shot of the tube player looking as though he is about to pop his carotid artery.

Although it is difficult to concentrate on individual genes at this point, we will highlight some here.

It is difficult to concentrate and work when co-workers continually talk too much.