But if the person who won your heart does not love you, then you are sure to have a broken heart.

VOA: special.2010.07.18

But Kurt Volker, former American ambassador to NATO, the North Atlantic Treaty Organization, is not so sure what will happen.

VOA: special.2010.07.24

But nothing is sure, not even the identity of the Roman Catholic saint celebrated by this day.

VOA: special.2010.02.08

"Celebrating with our family." "Presents!" "I usually get presents that say Santa Claus on them but I'm not really sure if they're from him."

VOA: special.2009.12.21

I think it's still possible for us to stamp out al- Qaida, to make sure that extremism is not expanding but rather is contracting.

VOA: special.2009.02.21

she said. "But I still was not sure that people were speaking English."

VOA: special.2010.07.25

But they also wanted to be sure membership would not restrict American independence.

VOA: special.2010.11.18

But now, I am not so sure that the wine is really Amontillado."

VOA: special.2009.02.07

But Duncan was not sure that playing Porgy would be right for him.

VOA: special.2010.03.07

But some people are still not sure about these programs.

VOA: special.2010.06.17

But be sure not to burn the skin.

VOA: special.2009.08.11

But Cheney said he is not sure the Obama administration will do what is necessary to keep Iran from developing nuclear weapons.

VOA: standard.2010.02.14

But U.S.Republicans are not so sure about the president's plans for the economy at home.

VOA: standard.2009.04.11

I'm not sure if that's the right word, but they were surprised nonetheless."

VOA: standard.2010.01.31