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1)
#57,388

Inflections of 開口

Common
かいこう
Meaning
    1. ①
      opening; aperture (e.g. camera)
    2. ②
      opening one's mouth; beginning to speak
    3. ③
      open; broad
Forms
3)
#16,453
かいこういちばん
Meaning
    1. at the very beginning of one's speech; immediately upon opening one's mouth (to speak); before anything else; first of all
      Guess what the managing director started off the meeting by saying. The first thing out of his mouth was an announcement of some major restructuring.
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