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drill

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verb American English pronunciation: drill /drɪl/ 
Word Forms
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present tense
I/you/we/theydrill
he/she/itdrills
present participledrilling
past tensedrilled
past participledrilled
  1. 1
    [intransitive/transitive] Sound effect: drill to make a hole using a special tool or machine
    drill something in something:

    Drill two holes in the wall.

    drill through:

    They had to drill through the mountainside.

    drill for oil/gas:

    They are drilling for oil in the area.

  2. 3
    [transitive] to teach someone by making them repeat something many times
    drill someone in/on something:

    Trainers will be drilling new members of the cabin crew on safety procedures.

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