倾尽一生半世惆怅
[qīng jĭn yī shēng bàn shì chóu chàng]
'倾尽一生半世惆怅' (Qīngjìn yīshēng bàn shì chóuchàng) translates as 'Devoted My Life and Half to Loneliness', conveying a deep sorrow and longing, implying that life has been spent yearning and feeling sad or lost.