He voiced his solidarity with the weak and defenseless.
他表示自己站在弱势无助群体一边。
《柯林斯英汉双解大词典》
Cases such as this demonstrate that even diseases that are not normally fatal can have devastating consequences when they strike an immunologically defenseless community.
What your association is backing is a program which would allow the middle and upper classes to acquire a bomb while poor people will be left defenseless with just handguns.
