、。
I can no more play the violin than a baby can.
Literal
I [topic-は] baby same-manner, violin [object-を] play-can-not.
同様 ('the same way, similarly') is a Sino-Japanese word used as a modifier meaning 'just like X / the same as X.' 赤ん坊同様 ('just like a baby'). 弾く ('play a stringed instrument') potential → 弾ける + negative → 弾けない. バイオリン is a loanword (ultimately from Italian via English).