考试前不好好复习，考差了也是活该。

Kǎoshì qián bù hǎohǎo fùxí, kǎo chàle yěshì huógāi.

If you don't review well before the exam and perform poorly, you deserve it.

你老是迟到，被老板批评也是活该。

Nǐ lǎoshì chídào, bèi lǎobǎn pīpíng yě shì huógāi.

You’re always late, so being criticized by the boss serves you right.

他考试前一点都不复习，现在考不好也是活该。

Tā kǎoshì qián yìdiǎn dōu bù fùxí, xiànzài kǎo bù hǎo yě shì huógāi.

He didn’t review at all before the exam, so it serves him right that he didn’t do well.