素颜马尾帆布鞋好菇凉
[sù yán mă wĕi fān bù xié hăo gū liáng]
Refers affectionately to a 'nice girl' who keeps a natural look ('without makeup/barefaced appearance', 'tied-back ponytail' & 'wearing canvas shoes'), indicating admiration for girls' simplicity, down-to-earthness, or youthful freshness. 'Gū liang' (好菇凉) can mean both good/nice and cute depending on the context.