Far trickier would be getting the hole into the rooms for the gas line.

Deciding when to put it into use may prove far trickier, and the final battle will be fought by politicians, not engineers.

Something far trickier than The Shadow yet realized was under way.

New required national tests have proved far trickier.

It is on far trickier ground with direct taxes, especially income tax.

But the Republican sweep of Congress in 1994 made his job far trickier.

Extended to a climate-change agreement, however, such a rule would be far trickier.

The next season proved a far trickier affair as the club sat in the relegation zone throughout the majority of the campaign.

The economics of running a club like Pips are far trickier than they were in its prime.

But he conceded that health information is far trickier.