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Grammar fix

fully understand

completely understand

To understand something completely, with no confusion or missing information.

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

  • I fully understand the instructions, so I can start the project right away.communication
  • In my opinion, it's important to fully understand the rules before you start a new job, because it helps you avoid mistakes.IELTS speaking

Fix the pattern

Pattern: fully understand + noun/wh-clause

WrongI don't fully understand about it.

RightI don't fully understand it.

'Understand' takes the object directly — no 'about'.

Patternfully understand + noun/wh-clause

Use it right

Choose the version that sounds natural in speech.

Stiff I comprehend the matter in its entirety.

Natural I fully understand.

'Comprehend the matter in its entirety' is stiff; 'fully understand' is the natural phrase.

Build natural chunks

Words that usually travel with it.

  • fully understand
    Idon'tthe situationwhy

Don't confuse it

Stronger than just 'understand'—it means you have no doubts or confusion.

Try it in Daily Speak →