无心之过 wúxīnzhīguò unintentional fault Definitions Defs Origin Strokes Stroke Words Sentences Sents 无心 無心 wúxīn unintentionally Inadvertently; without planning to; by accident or without ulterior motive之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.过 過 guò nounadjective error error; fault; mistake