别太计较小事情，要开心点。

Bié tài jìjiào xiǎo shìqíng, yào kāixīn diǎn.

Don't fuss over small matters; be happy.

他总是喜欢计较别人的过错。

Tā zǒng shì xǐhuān jìjiào biérén de guòcuò.

He always likes to quibble about other people's mistakes.

我们不应该在生活中过于计较。

Wǒmen bù yīnggāi zài shēnghuó zhōng guòyú jìjiào.

We shouldn't quibble too much in life.