Jiraiya weakens the seal on the Nine Tails in order to help Naruto learn how to control the Tailed Beast's power. Jiraiya recalls the words spoken to him years ago by the Great Lord Elder. He told Jiraiya that he would have a student, and that his guidance would decide whether the student would save the Ninja World or destroy it.
Namely, the chakra in the second step
which was infused with force,
،أي أنّ تشاكرا الخطوة الثانية والتي شُحِنت بالقوّة
Das Chakra, das im zweiten Schritt
hineingegeben wurde, ist im Ballon gefangen.
Resumiendo, la fuerza que creaste en el 
segundo paso permite contenerlo dentro del globo.
Resumiendo, la fuerza que creaste en el 
segundo paso permite contenerlo dentro del globo.
In poche parole, il chakra 
che nel secondo passaggio hai infuso di forza,
Explicando melhor, o Chakra da segunda
fase que estava infundido com força,