the mother is carrying a baby in her arms请问in her arms 是什么句子成分?宾语补足语?还有he learned english by himself 后面的by himself 又是什么句子成分？thank you！

Failure is the mother of -----is the mother of success “Love is the mother of Your mother is the dog? Failure is the mother of what is the mother say Who is the husband of mother's mother Who is the husband of mother's mother Failure is the mother of success是什么意思 翻译:Failure is the mother of success. the father of my mother is my____Harry! The mother of my father is my the father of my mother is my? The girl is (介词）her mother. Success is the mother of success She is going to the( )( )her mother because she is,the mother of Guilin; they hide the mother koala is