wèi / le / wán / chéng / rèn / wu / tā / jiàn / fèng / chā / zhēn / de / lì / yòng / wǔ / xiū / shí / jiān / chǔ / lǐ / yóu / jiàn

为了完成任务，他见缝插针地利用午休时间处理邮件。

To finish the task, he used every spare moment to deal with emails during his lunch break.