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单词 act up
释义

act up

phrasal verb intransitive ​informal
Word Forms
present tense
I/you/we/theyact up
he/she/itacts up
present participleacting up
past tenseacted up
past participleacted up
DEFINITIONS2
  1. 1
    if children act up, they behave badly

    The kids have been acting up again.

    Synonyms and related words
    To behave badly
    misbehave
    kick over the traces
    presume
    Synonyms and related words
    Child behavior
    act up
    grow into
    grow out of
  2. 2
    if a part of your body or a piece of equipment acts up, it starts to become painful or to develop problems

    I hope my back doesn’t start acting up again.

    Synonyms and related words
    To feel or cause physical pain and suffering
    suffer
    hurt
    ache

act up

phrasal verb intransitive ​informal
Word Forms
present tense
I/you/we/theyact up
he/she/itacts up
present participleacting up
past tenseacted up
past participleacted up
DEFINITIONS2
  1. 1
    if children act up, they behave badly

    The kids have been acting up again.

    Synonyms and related words
    To behave badly
    misbehave
    play up
    presume
    Synonyms and related words
    Child behaviour
    act up
    grow into
    grow out of
  2. 2
    if a part of your body or a piece of equipment acts up, it starts to become painful or to develop problems

    I hope my back doesn’t start acting up again.

    Synonyms and related words
    To feel or cause physical pain and suffering
    suffer
    hurt
    ache
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更新时间：2025/2/4 8:34:22