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suck

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verb British English pronunciation: suck /sʌk/ 
Word Forms
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present tense
I/you/we/theysuck
he/she/itsucks
present participlesucking
past tensesucked
past participlesucked
  1. 1
    [intransitive/transitive] to pull liquid into your mouth by using the muscles in your cheeks and tongue

    After the accident, I could only suck liquids through a straw.

    suck at:

    a baby sucking at the breast

    1. a.
      to put something in your mouth and move your tongue against it
      suck on:

      She sucked on a sweet and stared at us.

      suck your thumb:

      I sucked my thumb until I was five.

    2. b.
      to pull air or smoke into your lungs
      suck in:

      He sucked in a lungful of air, then jumped into the pool.

      suck on:

      Christine sucked on her cigarette.

  2. 2
    [transitive] to pull air or liquid somewhere

    The fan sucks air in through one vent and pushes it out through the other.

  3. 3
    to take something from something else, especially something that makes it weaker or less successful

    This gigantic military effort was sucking all the strength out of the economy.

  4. 4
    [intransitive] mainly American very informal to be very bad, very annoying etc

    If your job really sucks, leave it.

    'My mum says I have to clean the garage.' 'That sucks.'

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major on (doing) sth

to have or do a lot of something; to focus on a particular thing

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