怨不得

zì jǐ bù hǎo yuàn bu de bié rén

自己不好，怨不得别人。

You can't blame others for your own faults.

zhè jiàn shì yuàn bu de lǎo lǐ dōu guài wǒ

这件事怨不得老李，都怪我。

Li is not to blame for this because it's all my fault.

zhè jiàn shì yuàn bu de rèn hé rén

这件事怨不得任何人。

Nobody is to blame for it.

bān chē huài le yuàn bu de nǐ chí dào le

班车坏了，怨不得你迟到了。

The bus broke down and no wonder you were late.

zuó wǎn tā hē le nà me duō jiǔ yuàn bu de tā tóu téng

昨晚他喝了那么多酒，怨不得他头疼。

No wonder he's got a headache because he drank too much last night.