Only then had four grass only then to have true happy 是什么意思?

Only then had four grass only then to have true happy 是什么意思? only then 还有 then happy joumey eventually only then that short Must have strongly,only then dares to never forget . Only then ___ him she had been adopted.When she was four. 关于only then only then 不要用法, only then造句 only then"用法 Only then does not but only to keep the dream and then I will be happy it was only then( )how much trouble I had caused to him.