"deliver a challenge" is a grammatically correct and commonly used phrase in written English.
It means to present or put forward a difficult task, situation, or goal for someone to face or overcome. Example: The coach gathered the team and announced, "We're about to face our toughest opponent yet. It's time to step up and deliver a challenge for ourselves."
4.05pm: The Chinese president failed to deliver a challenge to major carbon emitting countries, writes Damian Carrington.
Accompanied by a colleague, Ulric de Fonvielle, Noir visited the prince on Jan . 10 , 1870to deliver a challenge to a duel from another journalist, Paschal Grousset; an altercation ensued in which the prince killed Noir.
In withdrawing his bid, he gets to shore up Fox's stock price — on Wednesday and Thursday it climbed almost ten per cent — and deliver a challenge to Time Warner's management team.
Cells were harvested, washed with sterile saline and the cell counts adjusted by OD600 to provide a 100 μl cell suspension estimated to deliver a challenge dose of 5 × 10 CFU g−1 mouse body weight.
Mr. Zinn delivers a challenge when he says, "To be neutral and to be passive is to collaborate with whatever is going on".
Barzalona was three lengths to the good when he started to celebrate on Saturday, rather than delivering a challenge for the lead, as he was at Epsom.
Brazil's economy is now expected to grow only about 1 percent in 2012, delivering a challenge to President Dilma Rousseff, who has tried to increase growth through an array of huge stimulus projects.
Almost a decade ago, the graduation speaker at one of the city's elite public high schools, which admits students largely on the basis of a one-day exam, looked out over the predominantly white and Asian crowd and delivered a challenge.
In awarding the 2011 Nobel in economic sciences to Christopher Sims and Thomas Sargent, the prize committee has rewarded two towering intellects — and delivered a challenge to politicians who are driven more by ideology than by serious consideration of the real-world consequences of their actions.
On June 12 , 1987 at the Brandenburg Gate in Berlin, Mr. Reagan, in one of his most noted speeches, delivered a challenge to Mr. Gorbachev: "If you seek peace, if you seek prosperity for the Soviet Union and Eastern Europe, if you seek liberalization, come here to this gate, Mr. Gorbachev.
