劳累过度

tā kàn shàng qù bìng de hěn lì hai yī dìng shì láo lèi guò dù le

她看上去病得很厉害，一定是劳累过度了。

she looks very ill and she must have burnt the candle at both ends.

qīng sōng yī diǎn bié ràng zì jǐ láo lèi guò dù

轻松一点，别让自己劳累过度。

Take it easy. Don't overtax yourself.

wǒ láo lèi guò dù sǔn huài le wǒ de xīn zàng

我劳累过度，损坏了我的心脏。

I overdid it at work and damaged my heart.