Tā / wèi / le / jiù / zhì / bìng / rén / cháng / cháng / fèi / qǐn / shí / lián / xù / gōng / zuò / shí / jǐ / gè / xiǎo / shí

他为了救治病人，常常废寝食，连续工作十几个小时。

To treat his patients, he often neglects sleep and food, working for more than ten hours straight.