難辭其咎意思

"難辭其咎"是中文成語，意思是指某人對於某件事情的發生或結果有著不可推卸的責任，必須承擔責任或受到責備。這個成語通常用來形容那些在事件中具有重要地位或影響力的人，他們的行為或決策直接導致了不良後果的發生。

這個成語的含義可以從字面上來理解。"辭" means to excuse or to avoid responsibility, "其" refers to the person or thing in question, and "咎" means blame or fault. 所以，"難辭其咎" means that it is difficult for the person in question to avoid responsibility or blame for the consequences of their actions or decisions.