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    key in on

    US /ki ɪn ɑn/

    ・

    UK /ki: ɪn ɒn/

    B2
    phr.v.To focus attention or concentrate on something specific.
    The detective keyed in on the suspect’s unusual behavior.

    Video subtitles

    ELL Conference 2012: Building Vocabulary for Teaching ELLs

    31:45ELL Conference 2012: Building Vocabulary for Teaching ELLs
    • and it really does emphasize that vocabulary to a great extent because you had to key in on the vocabulary.

      and it really does emphasize that vocabulary to a great extent because you had to key in on the vocabulary.

    • because you had to key in on the vocabulary.

      because you had to key in on the vocabulary.

    A2