Grammar fix
chuck away
throw away
to throw something out because you don't want it any more
phrasal verbB1common
Hear it in context
Notice where the phrase sounds natural.
These old magazines are just clutter, let's chuck them away.
Don't chuck that away, I might need it later.
Fix the pattern
One small grammar move makes it sound right.
With a pronoun, say 'chuck it away', not 'chuck away it'.