为了家庭的幸福，她总是操劳到很晚。
wèile jiātíngde xìngfú ， tā zǒngshì cāoláo dào hěn wǎn 。
For the happiness of the family, she always works hard until late.
他的父母为了他能上好大学，操劳了很多年。
tāde fùmǔ wèile tā néng shàng hǎo dàxué ， cāoláo le hěnduō nián 。
His parents worked hard for many years so that he could attend a good university.
经过一下午的操劳，他们终于完成了项目。
jīngguò yī xiàwǔ de cāoláo ， tāmen zhōngyú wánchéng le xiàngmù 。
After an afternoon of hard work, they finally completed the project.