背中がカユイ。他の手ナシ。
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孫の手。子供、親、兄弟姉妹、夫・妻の手、同居人、パートナーの手、祖父祖母、叔父叔母・伯父伯母・猫のテ。この際、なんでもいいのに、無いっテ!
I feel itchy on my back, but I've no other hands for that.
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Grandchild's hand. Kid, parent, siblings husband or wife's hand, housemate, partner, grandfather&grandmother, uncle&aunt, cat's paw. It's OK with any hand! But I've nothing!
*not sure about my English...