和民族的忧患结伴而行，它的勃兴之日恰是倭患深重之时。
Going with national suffering , the days of its vigorous growth was just the time of very grave peril of Japanese pirates .
论明代倭患产生及其泛滥的原因
On the Appearance of Japanese Pirates and the Reasons for Their Rampancy in Ming Dynasty
倭患