自分で, じぶんで
Expression
by myself, in person, by oneself
ナンシーは自分では何も決められないんだ。
は
Particle, pronounced わ in modern Japanese
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
まだまだ, 未だ未だ
Adverb, See まだ・1, Usually in kana, more emphatic than まだ
1. still, much more, (not) yet
Expression, as 〜だ, 〜です, etc.
2. still a long way to go, still a long way off, not there yet
いずれどこかに落ち着いて身を固めるつもりだが、まだまだだ。