翻译：直到遇到你，我才知道什么叫做身不由己？

I could take hold of my fate untill I met you.

直到遇到你，我才知道什么叫做身不由己

I have no idea about“losing control of my love”untile I met you.

I have not been aware of the concept of "having no command over one's affection" untill I know you.

这样不知道行不行？？我意译的

I've not been kown to have no command over oneself until I met you.

电子词典中找的