tā / yì / mǎo / shàng / zhè / xiàng / rèn / wu / jiù / lián / xù / gōng / zuò / le / jǐ / gè / xiǎo / shí

他一铆上这项任务，就连续工作了几个小时。

Once he focused fully on the task, he worked for several hours straight.