be to blame

be responsible for a fault or wrong

对（过错，罪行）负责

he was &B{to blame for} their deaths.

他应对他们的死亡负责。

I don't (或 can't) blame you (或 her 等)

used to indicate that one agrees that the action or attitude taken was reasonable

我不会责怪你（或她等），我表示理解

he was becoming impatient and I couldn't blame him.

他开始不耐烦，我不怪他。

have only oneself to blame

be solely responsible for something bad that has happened

（对不好的事情）负全部责任

to blame

Deserving censure; at fault.

谴责：应受谴责的；有过错的

Being the cause or source of something

起因是：是…起因或某事的根源的

A freak storm was to blame for the power outage.

停电的起因是一场特大暴风雪