你连我的生日都不记得！

Nǐ lián wǒ de shēngrì dōu bù jìde!

You don't even remember my birthday!

这道理连小孩都知道吧。

Zhè dàoli lián xiǎohái dōu zhīdào ba.

Even children know this reason.

太忙了，我连周末都在公司工作。

Tài máng le, wǒ lián zhōumò dōu zài gōngsī gōngzuò.

I’m so busy that I even work at the company on weekends.