心    如    刀    锉    犹心如刀割。 内心痛苦得象刀割一样。

心如刀锉，是汉语词汇，解释为犹心如刀割，出处是《蝶恋花·悟迷》。

Feel as if a knife were piercing one's heart

心灰意冷    心痒难抓    心慌意乱    心如寒灰    心无旁骛