Your arrival today is something unexpected and the source of some possible difficulty.

There are a number of possible difficulties that the software must be able to cope with.

In this we have also the solution of a possible difficulty.

One of the letters seems to support our conclusion, whereas the two others focus on possible methodological difficulties.

Every possible difficulty and resistance must be thrown in their way.

Indeed, the only possible difficulty may be that the equipment you have described is so primitive.

They have created the monitors to circumvent possible difficulties with their own kind.

When the dummy appears, the expert will take some time to form a plan and look for possible difficulties.

The possible difficulties of any integration are looming large, though.

Most probably you're merely adapting well, and we need to do no more than remain alert against any possible future difficulties.