Koyuki's worried about his future. He wants to be a teacher, but he's not sure he can do it.
I have enough to worry about 
in my own life right now.
لديّ ما يكفي من هموم في حياتي الآن
Ich habe gerade genug Sorgen
mit meinem eigenen Leben.
Pero ya tengo bastantes preocupaciones.
Pero ya tengo bastantes preocupaciones.
Enfin, j’ai déjà assez de mal
Ho già abbastanza preoccupazioni nella vita.
Mas nem posso falar muito.
Com tantas preocupações no presente,
У меня в текущей-то жизни
достаточно проблем.