心比渣软嘴比瘠薄硬
[xīn bĭ zhā ruăn zuĭ bĭ jí bó yìng]
This internet name conveys a contradictory nature of being tender-hearted ('heart softer than residue') yet tough-talking ('mouth is tougher than barren land'). It expresses a stark contrast in the individual's behavior and emotions.