高暖性子
[gāo nuăn xìng zi]
It describes a personality characterized by height ('高 gao' meaning tall or high), warm hearted ('暖 nuan' means warm or warmth-giving), and possibly indicates impatience or quick response ('性子 xingzi' means temperament or disposition). It might suggest a kind-hearted person standing out or having a lofty perspective yet easy to be approachable and understanding in nature.