Introverted Bocchi takes up the guitar in hopes of meeting friends, but her social anxiety is not so easily conquered...
then we can speed it up 
as you get used to it.
ثمّ يمكننا الإسراع بينما تعتادين على ذلك
e poi andremo più veloce appena ci prendi la mano.
daí a gente aumenta o ritmo
quando ela se acostumar.