約束 [ㄩㄝ ㄕㄨˋ; yue1 shu4]
  to restrict
  to limit to
  to constrain
  restriction
  constraint
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  約束
  やくそく
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  promise
  agreement
  arrangement
  one's word
  contract
  pact
  appointment
  engagement
  date
  convention
  rule
  destiny
  fate
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