【明報專訊】Granny has been reading an exciting book. "It's a long account of people during a time of peace and a time of war," Granny said, "and I must say that when push comes to shove the people in this book showed they could react bravely and heroically（英勇地）." This expression means "when things get difficult or tense". "I don't like to annoy（打攪）mice," Granny's cat said, "but if they disturb（打擾）me, I get mad! When push comes to shove, I fight back!" it said.