◎众志成城zhòngzhì-chéngchéng
[unity is strength;when people are unified with a single will，they are as strong as city walls] 万众一心，像坚固的城堡一样不可摧毁。比喻大家团结一致，力量就无比强大
【好工具】众人一心，力量坚固如城。比喻团结一致，同心协力。清．梁章巨《归田琐记．卷二．炮说》：「故曰兵无常形，地无常势，果能众志成城，则又何炮之不可用乎！」也作「众心成城」、「众心如城」。