2 sentences

1. 他日夜操劳，终于完成了这项工程。

   tā rì​yè cāo​láo, zhōng​yú wán​chéng le zhè xiàng gōng​chéng.

   He worked day and night and finally completed this project.

   Source: Dong Chinese Dictionary

2. 他因操劳过度，整个人消瘦了一圈。

   tā yīn cāo​láo guò​dù, zhěng​gè rén xiāo​shòu le yī quān.

   He has become noticeably thinner due to overwork.

   Source: Dong Chinese Dictionary