用微笑掩盖内心的悲伤
[yòng wēi xiào yăn gài nèi xīn de bēi shāng]
'Cover Inner Sadness With Smiles' represents someone who chooses to put on a brave face despite inner struggles or unhappiness. This net name often implies a person is hiding emotional pain but still wants to present a positive appearance to the outside world.