The phrase "reinforced expectations" is correct and usable in written English.
You can use it when you want to express that something has served to strengthen the expectations that already existed. For example, "The positive outcome of the meeting reinforced expectations that the project would be a success."
Figures released Wednesday reinforced expectations that output might have declined again.
The euro rose as cooling German inflation reinforced expectations the European Central Bank will lower interest rates.
The report reinforced expectations that the U.S. economy, for all its problems, would continue to outpace Europe's.
The euro gained as a report on the United States economy reinforced expectations that the euro zone will outpace American growth.
The statement reinforced expectations among investors that the Fed would start to push borrowing costs higher before the November presidential election.
Still, the combination of weak spending and higher prices last month reinforced expectations that Fed policy makers would keep interest rates steady when they met on Sept. 16.
The euro extended its rally ahead of a European inflation report today that is expected to reinforce expectations of an interest rate increase.
On the UK economics front there was news of stronger than expected GDP growth in the second quarter, which helped reinforce expectations that interest rates have further to climb.
Singapore's exports grew more than expected in July as electronics shipments rose for a second month, reinforcing expectations that the economy will exceed the government's forecast of zero to 1percentt growth for this year.
British inflation remained low in February, reinforcing expectations that the Bank of England will again cut interest rates.
The yen fell on concern that a Bank of Japan survey of business confidence would reinforce expectations for slower growth.
