离别太过悲伤笑容太过坚强
[lí bié tài guò bēi shāng xiào róng tài guò jiān qiáng]
The name 'Libo Guo Tai Beishang, Xiaorong Guo Tai Jianqiang' (离别太过悲伤笑容太过坚强) means 'Farewell brings such profound sorrow, and smile becomes overly resilient', which can refer to an inner feeling that tries its best to hide the hurt caused by partings, often seen in people facing hardships bravely with forced laughter.