Focus on the pronunciation of top sth up
English definition of “top sth up”
top sth up — Phrasal Verb with top
/tɒp/ verb [T] (-pp-)
› to make something bigger by adding to it: Although their life cover helps, she suggests topping it up to give extra protection.top sth up with sth He pays 3% of his earnings to the retirement fund and the employer tops this up with another 2%.