Since Ethiopia's withdrawal in January, al-Shabab began cooperating with another Islamist group called Hisbul Islam to topple the U.N.-backed, but weak transitional federal government, and to force more than 5,000 AU peacekeepers from Uganda and Burundi to abandon their mission.

VOA: standard.2009.08.21

But the poorly designed protection system was widely known to be too weak to protect against a major hurricane.

VOA: special.2010.01.22

But some experts say the world economy is still too weak for Europe's biggest country to reduce spending.

VOA: special.2010.06.25

But he said that when the question of the tariff is raised, businessmen claim that industry is weak.

VOA: special.2010.05.20

But some have had to cancel or cut back because of the weak economy.

VOA: special.2010.08.02

But they were too small and too weak to continue the fight.

VOA: special.2010.01.14

But the American economy is weak, and twenty-ten is an election year.

VOA: special.2010.01.19

But he said the labor market could remain weak through next year.

VOA: special.2009.09.18

But those with weak natural defenses may develop a severe infection.

VOA: special.2009.05.26

But that day she was tired and a little bit weak.

VOA: special.2009.09.05

But the army's limited capacity for counterinsurgency operations and a weak central government have many concerned that the situation could worsen.

VOA: standard.2009.05.05

In an interview via Skype, Mia Hashibe said there was a weak link between cancer risk and drinking decaffeinated coffee, but it wasn't statistically significant.

VOA: standard.2010.06.30