The country needs a defence capability as insurance against the unexpected.国家需要有一定的防御能力,以应对不可预知的情况。Once a tough defensive team, the Saints now have the most porous defence in the league.圣徒队一度防御能力很强,现在却成了联盟里防守漏洞最多的队伍。This was a sickening attack on a pregnant and defenceless woman.这一起对毫无防御能力的孕妇的袭击,令人无比震惊。