I can make you (understand) what I said,but you can't make yourself (understood) in English.原因?

I can make you (understand) what I said,but you can't make yourself (understood) in English.原因?

make sb do/done
第一句 understand的宾语是what i said 构成主动关系
第二句 understand的宾语是yourself yourself是被understand 构成被动关系