何谓知己? 没有约定却有默契, 没有表白却有灵犀, 没有解释却有寓意, 没有意外却有惊喜, 没有承诺却有继续, 没有亲情却有情义, 没有相伴却有相依, 没有冲动却有涟漪, 没有所求却有给予, 没有承诺却有信誉, 没有结党却有结义, 没有往来却有惦记。 How to define “confidant”? No agreements but understandings, No confessions but consonances, No explanations but meanings, No unexpectedness but surprises, No promises but actions, No kinship but friendship, No accompany but reliance, No impulse but emotions, No demands but offers, No promises but commitments, No gang but brotherhood, No communications but misses.