The phrase "congratulate at" is not correct and usable in written English.
The correct way to phrase this would be to "congratulate someone." For example, "We'd like to congratulate Bob on his promotion."
Mr. Liu has also congratulated at least 50 houses of worship and religious leaders, the bulk of them Baptist churches.
He looks forward to being congratulated at the office for his heroics, then realizes that it will happen only if someone else tells the story and he downplays his involvement.
It went into a deciding tie-break, in which Watson impressively held her nerve before being congratulated at the side of the court by her coach, Mauricio Hadad, Fed Cup captain Judy Murray and the watching Nick Bollettieri, former coach of Andre Agassi.
Here are some great ways to congratulate someone at work: Say "congratulations" in person, with a genuine smile.
I congratulate everyone at JotSpot and wish them good luck at Google.
Actually, they should not congratulate themselves at all.
He had begun drinking again, and, when literary celebrities crowded to congratulate him at a party in his honor, he was too inebriated to respond.
She will spend the night in Albany with him on New Year's Eve, stand by his side as he is sworn in to office and might even greet guests who come to congratulate him at the governor's mansion.
"We would also like to take this opportunity to congratulate all at Sheffield FC on retaining the Northern Division title".
His worst case of mistaken identity came recently when he wanted to go congratulate Hathaway at the "Les Miserables" premiere.
