憾事口吻

This online name '憾事口吻' (Hàn shì kǒuwěn) roughly translates to 'A tone that conveys regretful matters.' In Chinese culture, there are many poems and works describing the emotions of people towards lost opportunities, regrettable events or love affairs. This user name could be referring to such an emotional expression or attitude, often found in classical Chinese literature where unfulfilled desires and sadness about bygone days is a frequent theme.