I want to become a nurse who can speak 4 languages
My dream is to become a nurse who is fluent in 4 languages
(1) I want to become a nurse who can speak 4 languages
'I want to become ~' = 「〜になりたい」
'nurse' = 「看護師」
'can speak' =「話せる」
'4 languages' = 「4ヶ国語」
(2) My dream is to become a nurse who is fluent in 4 languages
'dream' = 「夢」
''to become ~' =「〜になる」
'fluent in ~' =「流暢な〜」
「4ヶ国語を流暢に話せる看護師になるのが私の夢です。」