In addressing this literature we are clearly involved in some extremely tricky judgements and issues.

None of the manuals mention the many potential complications in importing images from other sources, which can be extremely tricky.

Skeptics, however, say that heat measurements are extremely tricky and prone to error.

At the edge of the thicket, where the men started to sink into the green tangle, the footing was extremely tricky.

So the performers had a week to learn an entire two-hour concert of extremely tricky music, far outside their comfort zone, by heart.

It's extremely tricky providing 'affordable' homes in areas as beautiful and desirable as the north's national parks.

I've always felt he was extremely tricky and crafty.

Those things in the sack we handed him can be extremely tricky.

What was always going to be an extremely tricky situation has now been made even more unfavourable for the Government - by the Government.

The question of age limits is extremely tricky.