退縮 [ㄊㄨㄟˋ ㄙㄨㄛ; tui4 suo1]
  to shrink back
  to cower
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  退縮
  たいしゅく
  noun (common) (futsuumeishi)
  noun or participle which takes the aux. verb suru
  nouns which may take the genitive case particle `no'
  regression (of cancer)
  involution (of an organ)
  atrophy
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