Not only are they hard to control, but it's hard to figure out whether they are worth controlling in the first place.
The fact that certain transactions are hard to control does not mean that they should be made legal.
Reviews leak out of early screenings and fans can be hard to control.
This request will be bolstered by the powerful Hollywood lobby that works hard to control the unapproved sharing the Internet allows.
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But this is more of a gimmick than of any real use, as it is jerky and hard to control accurately.
In negotiating concessions from foreign rulers, it helped to have a reputation for being hard to control and even harder to predict.
Dosages were hard to control, and patients given too much had seizures.
Too much of this irrigation water is lost to evaporation, the water coverage is hard to control and wasted runoff can occur.
When the war ended, Congress moved hastily to disband the OSS. Lawmakers considered it too hard to control to tolerate in peacetime.
But people who organize themselves online today are notoriously hard to control.
Sometimes problems are related to costs that are very hard to control.
High wind gusts of between 30 and 42 miles per hours Monday made the fires particularly hard to control, New Jersey and New York officials said.
The concept had been deemed too hard to control: the rover would swing like a pendulum as it flew, and its radar was too inaccurate to find safe anchorage.
It was hard to control the bike on braking and in the exit of the corners, so I was defensive because I knew my corner speed was not so good.
Their historic decentralisation makes them especially hard to control.
That must be some die-hard IT control freaks, because the iPad seems to have taken the computing world by storm, including leading enterprises with high level security concerns, such as financial institutions.
Manipulating the shape of the threads using this method, called thread-rolling, was thought to be impossible because it would be too hard to control the structure of the screw if metal oozed into odd shapes.
It is scary and hard to control.
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On 17 November, Yeltsin extended that control to include all remaining structures of the Soviet finance ministry, including its authority to control hard currency flows.
Russian troops had taken the town weeks ago, but Chechens attacked it and several others simultaneously on Sunday, and Russian troops had to fight hard to regain control.
Instead of simply hitting back hard on gun control measures, they should be making the critical link between surges in gun violence and unemployment particularly in the inner city.
We will continue to fight hard for choice, control, and value in home entertainment.
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Well, hard to find a control group for their home games right now.
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Disputes over control of hard currency revenue streams and precious resources like oil, gas, gold, diamonds, platinum must be expected.
More sophisticated suspension systems mean that big vehicles can maintain a firm sense of control in hard turns without needing to have a punishing ride.
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