Focus on the pronunciation of knock sth out
English definition of “knock sth out”
knock sth out — Phrasal Verb with knock
/nɒk/ verb [T]
› to produce something quickly without spending time thinking about the details: Modern computer games take a long time to develop; you can no longer knock one out in three months.
› to stop a machine, system, etc. from working: Powerful storms knocked out electricity to more than a million customers in the area in July.