Sentence examples for biggest difficulty would be from inspiring English sources

Perhaps the biggest difficulty would be figuring out how to stabilize the particles in the vacuum of space, he says.

Politically the difficulties would be even greater.

The biggest variable would be the weather.

The biggest threat would be Australia.

Then the CTT difficulty index would be 0.8 (8/10.8

The big breakthrough would be in workflow.

But for someone with difficulties, it would be helpful".

The biggest difficulty may be bringing peace to the diamond mining region in eastern Sierra Leone.

The biggest difficulty is not knowing who you are going to play".

The town is not too big an intermediate scale, but would be too big a starting scale.

If it gets down successfully - and that is a big "if" because of the difficulties involved - it would be a historic first for space exploration.