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Grammar fix

zero in on

focus precisely (on something)

to give all your attention to a particular person, subject, or problem, especially in order to deal with it more effectively or accurately

phrasal verbC1occasional

Hear it in context

Notice where the phrase sounds natural.

  • The research team zeroed in on the main cause of the problem after weeks of testing.work
  • In my opinion, if governments want to improve public health, they should zero in on reducing sugar consumption rather than just promoting exercise.IELTS speaking

Fix the pattern

Pattern: zero in on + noun/pronoun

WrongThey zeroed in one mistake.

RightThey zeroed in on one mistake.

'Zero in ON' something — don't drop 'on'.

Patternzero in on + noun/pronoun

Use it right

Choose the version that sounds natural in speech.

Stiff Investigators concentrated their attention precisely on one suspect.

Natural Investigators zeroed in on one suspect.

'Zero in on' is the natural verb for narrowing focus precisely; the formal version is heavy.

Build natural chunks

Words that usually travel with it.

  • zero in on + target
    the problemone suspectthe key issuethe cause

Don't confuse it

Unlike the more general 'focus on', 'zero in on' emphasizes targeting something with precision, often after a process of elimination.

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