obstacle

• major obstacle

  However, qualifications remained a major obstacle.

• main obstacle

  Safety has been the main obstacle.

• obstacle course

  Food and Drink: Win the holiday obstacle course

• final obstacle

  There was more to this canal than just a final obstacle, however.

• first obstacle

  That's the first obstacle.

• formidable obstacle

  When it came to assembling facts and details, the system was a formidable obstacle.

• biggest obstacle

  Cooling the water is the biggest obstacle.

• last obstacle

  This time tragedy struck: at the fifth last obstacle she fell and broke her neck, dying instantly.

• obstacle to economic

  From the 1970s onwards, the cold war increasingly became an obstacle to economic and political stability.

• become an obstacle

• form an obstacle

  It follows that the conditions laid down for the registration of vessels must not form an obstacle to freedom of establishment within the meaning of articles 52 et seq.

• only obstacle

  The only obstacle was Watkin the dung-collector whose own ample wife also had her eye on the role.