It is an thorny problem how to choose proper words as the subject of a sentence in Chinese-English translation.
The American government, like every government, has its share of thorny problems.
Modern technology has created some thorny problems (Can a particle accelerator open up a cataclysmic black hole that will destroy the Earth?
General Motors, which emerged from bankruptcy on Friday, now must tackle its next thorny problem - its own management team.
In campus afforestation, the two thorny problems are big trees transplanting and lawns interplanting.
Race relations in the USA continue to be a thorny problem.
The calculating theory and designing method of pre-stress reinforcement concrete structure plasticity is one of thorny problem that the theory circle and project circle pays close attention to.
This thorny problem on the invironmental protection floored the new mayor.
These challenges still remain. In our economic and social development, we face many thorny problems seldom seen anywhere else in the world.
Technical thorny problems met during construction of cast-in-situ piles at riprap backfilling area and corresponding countermeasures are expounded to serve as a reference for similar engineering.
In our economic and social development, we face many thorny problems seldom seen anywhere else in the world. None of them is easy to solve in a country with 1.3 billion people.
Here's a thorny problem: to develop an objective way to rank countries according to the quality of life they offer their citizens.
The effect of atmospheric refraction error on observed value is a very thorny problem in EDM trigonometric leveling.
