1blame 
/ˈbleɪm/ verb
blames; blamed; blam·ing /ˈbleɪm/ verb [+ obj] : to say or think that a person or thing is responsible for something bad that has happened
▪ Don't blame me. You are responsible for your own problems. ▪ Don't blame me for your problems. = Don't blame your problems on me. ▪ The company blames the poor economy for its financial losses. = The company blames its financial losses on the poor economy. ▪ My father always blames everything on me. ▪ I blame the poor harvest on the weather.
▪ Don't blame me. You are responsible for your own problems. ▪ Don't blame me for your problems. = Don't blame your problems on me. ▪ The company blames the poor economy for its financial losses. = The company blames its financial losses on the poor economy. ▪ My father always blames everything on me. ▪ I blame the poor harvest on the weather.
blame the messenger — see messenger
have yourself to blame
◊If you have only yourself to blame or have no one to blame but yourself, then something is your fault and nobody else's.
▪ She has only herself to blame for her money problems.
▪ She has only herself to blame for her money problems.
not blame
◊If you say that you wouldn't/don't/can't blame someone or can hardly blame someone, you think that person has a good reason for doing something.
▪ After the way he treated you, I wouldn't blame you [=I would completely understand] if you never spoke to him again. ▪ You can hardly blame her for being angry.
▪ After the way he treated you, I wouldn't blame you [=I would completely understand] if you never spoke to him again. ▪ You can hardly blame her for being angry.
to blame
: responsible for something bad : deserving to be blamed for something.
▪ Who's to blame for these problems? ▪ He says he's not to blame for the delays. [=he did not cause the delays] ▪ Poor communication is at least partly to blame. [=at fault]
▪ Who's to blame for these problems? ▪ He says he's not to blame for the delays. [=he did not cause the delays] ▪ Poor communication is at least partly to blame. [=at fault]
