have a giggle
hechar-se una risita
most of all
sobretot
brainteaser
rompecabezas
iron out
‘The objective is to iron out some errors’
aplanar, treure
to wean ourselves off bad habits
per alliberar-nos de
it’s ingrained and hard to shift
está arraigado y es dificil de cambiar
to come up with the solution
trobar la solució
racking your brains
trencar-vos el cap
to polish your language skills, fine-tune them if you like, hone them to perfection
pulir las habilidades lingüísticas, ponerlas a punto, afinarlas al máximo.
Nerd
Empollón