Barry . . . stood, during this tirade, half stupefied with rage, and half frightened, at the open attack made on him. . . . However, he couldn't pull in his horns now, and he was obliged, in self-defence, to brazen it out.
Editor & Publisher Edwin Palmer Hoyt decided to pull in his horns. Said Hoyt: "We've decided it is time to pause, recapitulate and prepare to recommence."
2003 April 6, Susan Warner, "Fighting Off the Chains," New York Times (retrieved 10 Sep 2012):
"Smaller hardware stores in the area were scared," he said. "They stopped making investments. They pulled in their horns."