Comparative law notes
Known as 部分抗辯 in Hong Kong.
There are multiple definitions - click on the translation that matches your context.
局部答辩
名词
full
partial defence
noun
Definitions of partial defence
a defence that is not enough to allow the defendant to go free, but which will reduce the charge to a less serious one eg reducing murder to manslaughter
She claimed the partial defence of diminished responsibility.